Electronic Integrated Circuits ( ICs )

TRANSISTOR IC ARRAY

2010-03-02T17:02:00.000-08:00

M54567P/FP
4-UNIT 1.5A DARLINGTON TRANSISTOR IC ARRAY WITH CLAMP DIODE
DESCRIPTION
M54567P and M54567FP are four-circuit Darlington transistor
arrays with clamping diodes. The circuits are made of
PNP and NPN transistors. Both the semiconductor integrated
circuits perform high-current driving with extremely
low input-current supply.

Pin Diagram

datasheet

M54526P/FP
7-UNIT 500mA DARLINGTON TRANSISTOR IC ARRAY WITH CLAMP DIODE
DESCRIPTION
M54526P and M54526FP are seven-circuit Darlington transistor
arrays with clamping diodes. The circuits are made of
NPN transistors. Both the semiconductor integrated circuits
perform high-current driving with extremely low input-current
supply.

datasheet

M54528P
7- UNIT 150MA DARLINGTON TRANSISTOR IC ARRAY WITH CLAMP DIODE
Mitsubishi Electric Semiconductor
7- UNIT 150MA DARLINGTON TRANSISTOR ARRAY WITH CLAMP DIODE

Pin Diagram

datasheet

CA3086
General Purpose NPN Transistor IC Array
Description
The CA3086 consists of five general-purpose silicon NPN
transistors on a common monolithic substrate. Two of the
transistors are internally connected to form a differentially
connected pair.
The transistors of the CA3086 are well suited to a wide variety
of applications in low-power systems at frequencies from
DC to 120MHz. They may be used as discrete transistors in
conventional circuits. However, they also provide the very
significant inherent advantages unique to integrated circuits,
such as compactness, ease of physical handling and thermal
matching

Pin Diagram

datasheet

ULN2803A DARLINGTON TRANSISTOR ARRAY

description
The ULN2803A is a high-voltage, high-current Darlington
Transistor ic array. The device consists of eight npn Darlington pairs
that feature high-voltage outputs with common-cathode clamp
diodes for switching inductive loads. The collector-current rating of
each Darlington pair is 500 mA. The Darlington pairs may be
connected in parallel for higher current capability.

Applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line
drivers, and logic buffers. The ULN2803A has a 2.7-kseries base resistor for each Darlington pair for operation
directly with TTL or 5-V CMOS devices.

Pin Diagram

datasheet

Buy Cheap Transistor IC Array

Surface Mount (SMD) Diode IC Array

2010-02-17T11:33:00.000-08:00

BAS70JW
SURFACE MOUNT SCHOTTKY BARRIER DIODE IC ARRAY
Features
Low Forward Voltage Drop
Fast Switching
Ultra-Small Surface Mount Package ( SMD )
PN Junction Guard Ring for Transient and
ESD Protection

Pin Diagram

Datasheet

SD103ASDM
SURFACE MOUNT SCHOTTKY BARRIER DIODE IC ARRAY
Case: SOT-26, Plastic
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Polarity: See Diagram
Leads: Solderable per MIL-STD-202,
Method 208
Marking: KSU (See Page 2)
Weight: 0.016 grams (approx.)

Pin Diagram

Datasheet

FBAS70DW-06
SURFACE MOUNT SCHOTTKY BARRIER DIODE IC ARRAYS
DESCRIPTION
Silicon epitaxial planar
PN Junction Guard Ring for Schottky Diode
FEATURES
􀁺 Low Forward Voltage Drop
􀁺 Fast Switching
􀁺 Ultra-Small Surface Mount Package

Pin Diagram

Datasheet

1N6508
MONOLITHIC AIR ISOLATED DIODE ARRAY

Buy Cheap Diode IC

Diode IC Array Data and Datasheet

2010-01-30T05:56:00.000-08:00

SN74S1051
12-BIT SCHOTTKY BARRIER DIODE IC
BUS-TERMINATION ARRAY
description/ordering information
This Schottky barrier diode IC bus-termination array
is designed to reduce reflection noise on memory
bus lines. This device consists of a 12-bit
high-speed Schottky diode array suitable for
clamping to VCC and/or GND.
Pin Diagram

datasheet

SN74S1050
Description
This Schottky barrier diode IC bus-termination array is designed to reduce reflection noise on memory bus lines. This devcie consists of a 12-bit high-speed Schottky diode IC array suitable for a clamp to GND.
Pin Diagram

datasheet

UC1611
QUAD Schottky Diodes IC array
DESCRIPTION
This four-diode array is designed for general
purpose use as individual diodes or as a
high-speed, high-current bridge. It is particularly
useful on the outputs of high-speed power
MOSFET drivers where Schottky diodes are
needed to clamp any negative excursions caused
by ringing on the driven line.These diodes are also
ideally suited for use as voltage clamps when
driving inductive loads such as relays and
solenoids, and to provide a path for current
free-wheeling in motor drive applications.The use
of Schottky diode technology features high
efficiency through lowered forward voltage drop
and decreased reverse recovery time.This single
monolithic chip is fabricated in both hermetic
CERDIP and copper-eaded plastic packages.
The UC1611 in ceramic is designed for –55ฐC to
125ฐC environments but with reduced peak
current capability: while the UC3611 in plastic has
higher current rating over a 0ฐC to 70ฐC ambient
temperature range.
Pin Diagram

datasheet

UC3610
Dual Schottky Diode Bridge IC
DESCRIPTION
This eight-diode array is designed for
high-current, low duty-cycle applications typical of
flyback voltage clamping for inductive loads. The
dual bridge connection makes this device
particularly applicable to bipolar driven stepper
motors.
The use of Schottky diode technology features
high efficiency through lowered forward voltage
drop and decreased reverse recovery time.
This single monolithic chip is fabricated in both
hermetic CERDIP and copper-leaded plastic
packages. The UC1610 in ceramic is designed for
−55ฐC to 125ฐC environments but with reduced
peak current capability. The UC2610 in plastic and
ceramic is designed for −25ฐC to 125ฐC
environments also with reduced peak current
capability; while the UC3610 in plastic has higher
current rating over a 0ฐC to 70ฐC temperature
range.

Pin Diagram

datasheet

74F1056
8-Bit Schottky Barrier Diode Array
General Description
The 74F1056 is an 8-bit Schottky barrier diode ic array
designed to be employed as termination on the inputs to
memory bus lines or CLOCK lines. This device is designed
to suppress negative transients caused by line reflections,
switching noise and crosstalk.

Pin Diagram

datasheet

Waveform Generator IC

2009-12-12T17:11:00.000-08:00

Amplifiers, Waveform Generators, and Other Low-Cost Ic Projects

MAX038
High-Frequency Waveform Generator
The MAX038 is a high-frequency, precision function
generator producing accurate, high-frequency triangle,
sawtooth, sine, square, and pulse waveforms with a
minimum of external components. The output frequency
can be controlled over a frequency range of 0.1Hz to
20MHz by an internal 2.5V bandgap voltage
reference and an external resistor and capacitor. The
duty cycle can be varied over a wide range by applying
a ±2.3V control signal, facilitating pulse-width modulation
and the generation of sawtooth waveforms.
Frequency modulation and frequency sweeping are
achieved in the same way. The duty cycle and frequency
controls are independent.

Feature♦ 0.1Hz to 20MHz Operating Frequency Range
♦ Triangle, Sawtooth, Sine, Square, and Pulse
Waveforms
♦ Independent Frequency and Duty-Cycle
Adjustments
♦ 350 to 1 Frequency Sweep Range
♦ 15% to 85% Variable Duty Cycle
♦ Low-Impedance Output Buffer: 0.1
♦ Low 200ppm/°C Temperature

datasheet

AD9833
Low Power 20 mW 2.3 V to 5.5 V
Programmable Waveform Generator

GENERAL DESCRIPTION
The AD9833 is a low power programmable waveform generator
capable of producing sine, triangular, and square wave outputs.
Waveform generation is required in various types of sensing,
actuation, and time domain reflectometry applications. The output
frequency and phase are software programmable, allowing easy
tuning. No external components are needed. The frequency registers
are 28 bits; with a 25 MHz clock rate, resolution of 0.1 Hz
can be achieved. Similarly, with a 1 MHz clock rate, the AD9833
can be tuned to 0.004 Hz resolution.

The AD9833 is written to via a 3-wire serial interface. This serial
interface operates at clock rates up to 40 MHz and is compatible
with DSP and microcontroller standards. The device operates
with a power supply from 2.3 V to 5.5 V.

The AD9833 has a power-down function (SLEEP). This allows
sections of the device that are not being used to be powered down,
thus minimizing the current consumption of the part, e.g., the DAC
can be powered down when a clock output is being generated.

The AD9833 is available in a 10-lead MSOP package.

FEATURESDigitally Programmable Frequency and Phase
20 mW Power Consumption at 3 V
0 MHz to 12.5 MHz Output Frequency Range
28-Bit Resolution (0.1 Hz @ 25 MHz Ref Clock)
Sinusoidal/Triangular/Square Wave Outputs
2.3 V to 5.5 V Power Supply
No External Components Required
3-Wire SPI® Interface
Extended Temperature Range: –40_C to +105_C
Power-Down Option
10-Lead MSOP Package

datasheet

CG-402R2

Sine wave output
Frequency can be set with two external resistors
Low distortion
Frequency ranges 20Hz to 1MHz

Technical specification
Output waveform Sine wave
Output voltage 2.5Vrms (variable)
Frequency setting method External resistor x2
Power supply voltage ±15V ±10%
Temperature humidity range Operation: -20 to 70°C, 10 to 95% RH
Storage -30 to +80°C, 10 to 80% RH

Technical data
Type Frequency Frequency stability External
CG-102R1 20Hz to 20kHz ±15ppm/°C 24-pin DIP
CG-402R1 20Hz to 20kHz ±50ppm/°C 12-pin SIP
CG-402R2 1kHz to 100kHz ±50ppm/°C 12-pin SIP

datasheet

Melody IC

2009-12-06T16:30:00.000-08:00

UM66TXXL
MELODY INTEGRATED CIRCUIT

DESCRIPTIONThe UTC UM66TXXL series are CMOS LSI designed for using
in door bell, telephone and toy application. It is an on-chip ROM
programmed for musical performance. Produced by CMOS
technology, the device results in very low power consumption.
Since the UTC UM66TXXL series include oscillation circuits a
compact melody module can be constructed with only a few
additional components.

FEATURES
*64-Note Rom memory
*1.5V ~ 4.5V power supply and low power consumption
*Dynamic speaker can be driven with external NPN
transistor
*OSC resistor hold mode
*Power on reset: melody begins from the first note
*Built in level hold mode

FUNCTIONAL DESCRIPTION
OSCILLATOR CIRCUITThe oscillator frequency is used as a time for tone and beat generators. Its accuracy affects the quality of the music.
TONE GENERATOR
Tone Frequencies are oscillator frequencies-M, where m is any even number from 64 to 256. Within a melody 14C scales can be selected including Pause code and End code. The tone generator is a programmed divider, The Range of Scales is from “C4” to “C6” and range of frequency varies from 258Hz to 23768Hz.
RHYTHM GENERATORThe rhythm generator is also programmed dividers. It contain 15 available rhythms as
follows:1/4,1/2,3/4,1,1-1/4,1-1/2,1-/3/4,2,2-1/4,2-1/2,2-/3/4,3,3-1/4,3-1/2,3-/3/4.Four rhythms can be selected from these.
MELODY ROM
The Mask Rom can memorize 64 notes with 6 bit.4 bits are used for controlling the scale code and 2 bits are used for controlling the rhythm code.
TEMPO GENERATOR
There are 15 available tempos in the UTC UM66T series. The 15 tempos are:128,137,148,160,175,192,213,
240 , 274, 320,480,640,960,1920 J/minute.

Datasheet pdfhttp://www.utc-ic.com/spec/UM66TXXL.pdf

Melody IC SVM7910
Product FeaturesDebuting in 1978, the SVM 7910 electronic sound-generating device was the world’s
first melody IC, taking advantage of CMOS IC technology derived from the
development of quartz watches. The first finished product equipped with this device
was the Seiko Electronic Melodia, a quartz alarm clock released by Seikosha* in July
1978. A revolutionary product, the Electronic Melodia could produce three types of
electronic sounds—a melody, chimes, and a buzzer—each selected by simply
pressing a button.

Later, in April 1983, came the advent of the SVM7960, part of the SVM79 melody IC
series. With a maximum performance capacity of four songs, and a wide operating
voltage range, from 1.5 to 5 volts, the emergence of this melody IC filled out the
SVM79 series lineup, and expanded the range of sounds that could be expressed.

Datasheet pdf
http://www.epson.co.jp/e/company/milestones/10_svm7910.pdf

FT66T32S Simple Melody Generator ICGeneral DescriptionThe FT66T series is a CMOS LSI designed melody generator IC for use in telephones and toys application. It has an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low power consumption. And with built-in RC oscillator, a compact melody module can be constructed with only a few additional components.

Features
- One Short Mode, Song : Walts
- 64-note ROM memory
- Bulit-in RC oscillator
- 1.3V to 3.3V operating voltage and low power consumption
- Level-hold mode to play repeatedly
- Dynamic speaker can be driven with external NPN transistor.
- Packaged in inexpensive TO-92 package

Datasheet pdf
http://www.warf.com/electronic-products-1492.html

H66T19/32/68 Series
Description
The H66T19/32/68 series is a CMOS LSI designed for use in door bell,
telephone and toy applications. It is an on-chip ROM program-med for
music performance. Produced by COMS technology, the device results in
very low power consumption. Since the H66T19/32-/68 series includes
oscillation circuits, a compact melody module can be constructed with only
a few additional components.
Feature
64-Note ROM memory
1.5V to 3V power supply and low power consumption
Dynamic speaker can be driven with external NPN transistor
OSC resistor is built-in
Built-in level hold mode
Power on reset: melody begins from the first note

Datasheet pdf
http://kr.ic-on-line.cn/IOL/viewpdf/H66T19AA_76262.htm

7910 Series
Multi-Melody IC
DESCRIPTIONThe series 7910 is a CMOS IC which plays prearranged melodies and alarm sounds electronically. Built-in oscillation circuit generates acoustic pulses, then melodies and alarm sounds are formed with only a few external discrete parts including resistor, capacitor, speaker etc. Thus the 7910 can enjoy various applications such as replacement for conventional music box and alarm sound generator.
NOTE: These are ongoing user service products.

FEATURES
- Melody ............................ 2 or 1
- Musical interval .................. Temperament or pure temperament
- Sound ............................. 2 series, 2.5 octave
- Compound interval or accompaniment are possible.(One octave interval)
- Tempo ............................. 16 kinds(Prest to Largo). Two tempos in one piece.
- Note ............................. Basic note , and also possible for
- Rest .............................. According to note
- Repeat ........................... Continuous performance of pieces, and repeats(8 times at most)of a piece.
- Beginning ......................... Always starts at the beginning of piece.
- Alarm Chime ....................... Two (not always equipped)
- Input signal ...................... 1 start signal, 3 selective signals.
- Envelope .......................... External CR(2 series)
- Volume control .................... From external circuit(volume etc.)
- Oscillation ....................... C, R oscillator (C, R external connection)
- Voltage ............................1.5V
- Package .......................... DIP-16pin(plastic)

Datasheet pdfhttp://www.es.co.th/Schemetic/PDF/7910CR-EPSON.PDF

EARTH LEAKAGE CURRENT DETECTOR ICs

2009-11-15T06:02:00.000-08:00

UTC M54123L LINEAR INTEGRATED CIRCUIT
EARTH LEAKAGE CURRENT DETECTOR

FUNCTION
The UTC M54123L circuit for the amplifying parts of earth leakage circuit breaker consists of differential amplifier, latch circuit and voltage regulator. It is connected to the secondary side of the zero current transformer (ZCT) which detects leakage current in the both input of the differential amplifier. Signals amplified by differential amplifier are integrated by an external capacitor, and connects to the input terminal of latch circuit with output suitable for the characteristics of high- speed earth leakage circuit breaker. Latch circuit keeps low in the output till the input voltage reaches the fixed level, and output becomes high when the leakage current more than fixed flows.
It drives a thyristor connected to the output terminal of latch circuit.

FEATURES*Suitable for JIS C 8371
*Good temperature characteristics of input sensitivity
current
*High input sensitivity (VT=6.1mV Typ.)
*Low external component count
*High noise and surge-proof
*Low power dissipation (Pd=5mW Typ.) and may be
used both as 100V and 200V.
*Wide temperature range (Ta=-20~+80°C)

Datasheethttp://www.unisonic.com.tw/datasheet/M54123L.pdf

KA2803B
Earth Leakage Detector

DescriptionThe KA2803B is designed for use in earth leakage circuit
interrupters, for stable operation of the AC line in breakers.
The input of the differential amplifier is connected to the
secondary coil of ZCT(Zero Current Transformer). The
amplified output of differential amplifier is integrated at
external capacitor to gain adequate time delay that is
specified in KSC4613. The level comparator generates high
level when earth leakage current is greater than the fixed
level.
Features
• Low Power Consumption PD =5mW, 100V/200V
• Built-in Voltage Regulator
• High Gain Differential Amplifier
• 0.4mA Output Current Pulse to Trigger SCR' S
• Low External Part Count
• DIP Package (8-DIP), High Packing Density
• High Noise Immunity, Large Surge Margin
• Super Temperature Characteristic of Input Sensitivity
• Wide Operating Temperature Range (TA = -25C ~
+80C)
• Operation from 12 to 20V Input

Datasheet
http://www.fairchildsemi.com/ds/KA%2FKA2803B.pdf

RV4141A
Low Power Ground Fault Interrupter

Description
The RV4141A is a low-power controller for AC receptacle
ground fault circuit interrupters. These devices detect
hazardous current paths to ground and ground to neutral
faults. The circuit interrupter then disconnects the load from
the line before a harmful or lethal shock occurs.
Internally, the RV4141A contains a diode rectifier, shunt
regulator, precision sense amplifier, current reference, time
delay circuit, and SCR driver.

Two sense transformers, SCR, solenoid, three resistors and
four capacitors complete the design of the basic circuit interrupter.
The simple layout and minimum component count
ensure ease of application and long term reliability.
Features not found in other GFCI controllers include a low
offset voltage sense amplifier eliminating the need for a
coupling capacitor between the sense transformer and sense
amplifier, and an internal rectifier to eliminate high voltage
rectifying diodes.

The RV4141A is powered only during the positive half
period of the line voltage, but can sense current faults independent
of its phase relative to the line voltage. The gate of
the SCR is driven only during the positive half cycle of the
line voltage.
Features
• Powered from the AC line
• Built-in rectifier
• Direct interface to SCR
• 500 μA quiescent current
• Precision sense amplifier
• Adjustable time delay
• Minimum external components
• Meets UL 943 requirements
• For use with 110V or 220V systems
• Available in an 8-pin SOIC package

Datasheethttp://www.fairchildsemi.com/ds/RV%2FRV4141A.pdf

CAN BUS Driver IC

2009-11-07T16:38:00.000-08:00

High-Speed CAN Transceiver
MCP2551The MCP2551 is a high-speed CAN, fault-tolerant
device that serves as the interface between a CAN protocol
controller and the physical bus. The MCP2551
provides differential transmit and receive capability for
the CAN protocol controller and is fully compatible with
the ISO-11898 standard, including 24V requirements. It
will operate at speeds of up to 1 Mb/s.
Typically, each node in a CAN system must have a
device to convert the digital signals generated by a CAN
controller to signals suitable for transmission over the
bus cabling (differential output). It also provides a buffer
between the CAN controller and the high-voltage spikes
that can be generated on the CAN bus by outside
sources (EMI, ESD, electrical transients, etc.).

Features
• Supports 1 Mb/s operation
• Implements ISO-11898 standard physical layer
requirements
• Suitable for 12V and 24V systems
• Externally-controlled slope for reduced RFI
emissions
• Detection of ground fault (permanent dominant)
on TXD input
• Power-on reset and voltage brown-out protection
• An unpowered node or brown-out event will not
disturb the CAN bus
• Low current standby operation
• Protection against damage due to short-circuit
conditions (positive or negative battery voltage)
• Protection against high-voltage transients
• Automatic thermal shutdown protection
• Up to 112 nodes can be connected
• High noise immunity due to differential bus
implementation
• Temperature ranges:
- Industrial (I): -40°C to +85°C
- Extended (E): -40°C to +125°C
datasheet pdfhttp://ww1.microchip.com/downloads/en/DeviceDoc/21667d.pdf
Stand-Alone CAN Controller With SPI™ Interface
MCP2515
Description
Microchip Technology’s MCP2515 is a stand-alone
Controller Area Network (CAN) controller that implements
the CAN specification, version 2.0B. It is capable
of transmitting and receiving both standard and
extended data and remote frames. The MCP2515 has
two acceptance masks and six acceptance filters that
are used to filter out unwanted messages, thereby
reducing the host MCUs overhead. The MCP2515
interfaces with microcontrollers (MCUs) via an industry
standard Serial Peripheral Interface (SPI).
Features
• Implements CAN V2.0B at 1 Mb/s:
- 0 – 8 byte length in the data field
- Standard and extended data and remote
frames
• Receive buffers, masks and filters:
- Two receive buffers with prioritized message
storage
- Six 29-bit filters
- Two 29-bit masks
• Data byte filtering on the first two data bytes
(applies to standard data frames)
• Three transmit buffers with prioritizaton and abort
features
• High-speed SPI™ Interface (10 MHz):
- SPI modes 0,0 and 1,1
• One-shot mode ensures message transmission is
attempted only one time
• Clock out pin with programmable prescaler:
- Can be used as a clock source for other
device(s)
• Start-of-Frame (SOF) signal is available for
monitoring the SOF signal:
- Can be used for time-slot-based protocols
and/or bus diagnostics to detect early bus
degredation
• Interrupt output pin with selectable enables
• Buffer Full output pins configurable as:
- Interrupt output for each receive buffer
- General purpose output
• Request-to-Send (RTS) input pins individually
configurable as:
- Control pins to request transmission for each
transmit buffer
- General purpose inputs
• Low-power CMOS technology:
- Operates from 2.7V – 5.5V
- 5 mA active current (typical)
- 1 µA standby current (typical) (Sleep mode)
• Temperature ranges supported:
- Industrial (I): -40°C to +85°C
- Extended (E): -40°C to +125°C
datasheet pdfhttp://ww1.microchip.com/downloads/en/DeviceDoc/21801d.pdf
High speed CAN transceiver
TJA1040
GENERAL DESCRIPTION
The TJA1040 is the interface between the Controller Area
Network (CAN) protocol controller and the physical bus.
It is primarily intended for high speed applications, up to
1 MBaud, in passenger cars. The device provides
differential transmit capability to the bus and differential
receive capability to the CAN controller.
The TJA1040 is the next step up from the TJA1050 high
speed CAN transceiver. Being pin compatible and offering
the same excellent EMC performance, the TJA1040 also

features:
- An ideal passive behaviour when supply voltage is off
- A very low-current standby mode with remote wake-up
capability via the bus.

This makes the TJA1040 an excellent choice in nodes
which can be in power-down or standby mode in partially
powered networks.

FEATURES
- Fully compatible with the ISO 11898 standard
- High speed (up to 1 MBaud)
- Very low-current standby mode with remote wake-up
capability via the bus
- Very low ElectroMagnetic Emission (EME)
- Differential receiver with high common-mode range for
ElectroMagnetic Immunity (EMI)
- Transceiver in unpowered state disengages from the
bus (zero load)
- Input levels compatible with 3.3 V and 5 V devices
- Voltage source for stabilizing the recessive bus level if
split termination is used (further improvement of EME)
- At least 110 nodes can be connected
- Transmit Data (TXD) dominant time-out function
- Bus pins protected against transients in automotive
environments
- Bus pins and pin SPLIT short-circuit proof to battery and
ground
- Thermally protected.
datasheet pdf
http://www.nxp.com/acrobat_download/datasheets/TJA1040_6.pdf
SN65HVD230
SN65HVD231
SN65HVD232
3.3-V CAN TRANSCEIVERS

DESCRIPTION
.
The SN65HVD230, SN65HVD231, and SN65HVD232 controller area network (CAN) transceivers are designed for use with the Texas Instruments TMS320Lx240x™; 3.3-V DSPs with CAN controllers, or with equivalent devices. They are intended for use in applications employing the CAN serial communication physical layer in accordance with the ISO 11898 standard. Each CAN transceiver is designed to provide differential transmit capability to the bus and differential receive capability to a CAN controller at speeds up to 1 Mbps.

Designed for operation in especially-harsh environments, these devices feature cross-wire protection, loss-of-ground and overvoltage protection, overtemperature protection, as well as wide common-mode range.

The transceiver interfaces the single-ended CAN controller with the differential CAN bus found in industrial,building automation, and automotive applications. It operates over a -2-V to 7-V common-mode range on the bus, and it can withstand common-mode transients of ±25 V.

On the SN65HVD230 and SN65HVD231, pin 8 provides three different modes of operation: high-speed, slope control, and low-power modes. The high-speed mode of operation is selected by connecting pin 8 to ground, allowing the transmitter output transistors to switch on and off as fast as possible with no limitation on the rise and fall slopes. The rise and fall slopes can be adjusted by connecting a resistor to ground at pin 8, since the slope is proportional to the pin's output current. This slope control is implemented with external resistor values of 10 kΩ, to achieve a 15-V/s slew rate, to 100 kΩ, to achieve a 2-V/s slew rate. See the Application Information
section of this data sheet.

FEATURES
- Operates With a 3.3-V Supply
- Low Power Replacement for the PCA82C250 Footprint
- Bus/Pin ESD Protection Exceeds 16 kV HBM
- High Input Impedance Allows for 120 Nodes on
- Controlled Driver Output Transition Times for
Improved Signal Quality on the SN65HVD230
and SN65HVD231
- Unpowered Node Does Not Disturb the Bus
- Compatible With the Requirements of the ISO
11898 Standard
- Low-Current SN65HVD230 Standby Mode
370 A Typical
- Low-Current SN65HVD231 Sleep Mode 40 nA
Typical
- Designed for Signaling Rates(1) up to 1
Megabit/Second (Mbps)
- Thermal Shutdown Protection
- Open-Circuit Fail-Safe Design
- Glitch-Free Power-Up and Power-Down
Protection for Hot-Plugging Applications
datasheet pdf
http://focus.ti.com/lit/ds/symlink/sn65hvd230.pdf

PCA82C250
CAN controller interface
General description
The PCA82C250 is the interface between a CAN protocol controller and the physical bus.The device provides differential transmit capability to the bus and differential receive capability to the CAN controller.

Features- Fully compatible with the “ISO 11898” standard
- High speed (up to 1 MBd)
- Bus lines protected against transients in an automotive environment
- Slope control to reduce Radio Frequency Interference (RFI)
- Differential receiver with wide common-mode range for high immunity against
ElectroMagnetic Interference (EMI)
- Thermally protected
- Short-circuit proof to battery and ground
- Low-current Standby mode
- An unpowered node does not disturb the bus lines
- At least 110 nodes can be connected

datasheet pdf
http://www.nxp.com/acrobat_download/datasheets/PCA82C250_6.pdf

Poly-Phase Energy Metering IC

2009-11-01T16:40:00.000-08:00

ADE7758
Poly Phase Multifunction Energy Metering IC with Per Phase Information
GENERAL DESCRIPTION
The ADE77581 is a high accuracy, 3-phase electrical energy measurement IC with a serial interface and two pulse outputs. The ADE7758 incorporates second-order Σ-Δ ADCs, a digital integrator, reference circuitry, a temperature sensor, and all the signal processing required to perform active, reactive, and apparent energy measurement and rms calculations.
The ADE7758 is suitable to measure active, reactive, and apparent energy in various 3-phase configurations, such as WYE or DELTA services, with both three and four wires. The ADE7758 provides system calibration features for each phase, that is, rms offset correction, phase calibration, and power calibration. The APCF logic output gives active power information, and the VARCF logic output provides instantaneous reactive or apparent power information

FEATURES
Highly accurate; supports IEC 60687, IEC 61036, IEC 61268, IEC 62053-21, IEC 62053-22, and IEC 62053-23

Compatible with 3-phase/3-wire, 3-phase/4-wire, and other 3-phase services

Less than 0.1% active energy error over a dynamic range of 1000 to 1 at 25ฐC

Supplies active/reactive/apparent energy, voltage rms, current rms, and sampled waveform data

Two pulse outputs, one for active power and the other selectable between reactive and apparent power with programmable frequency

Digital power, phase, and rms offset calibration

On-chip, user-programmable thresholds for line voltage SAG and overvoltage detections

An on-chip, digital integrator enables direct interface-to-current sensors with di/dt output

A PGA in the current channel allows direct interface to shunts and current transformers

An SPIฎ-compatible serial interface with IRQ

Proprietary ADCs and DSP provide high accuracy over large variations in environmental conditions and time

Reference 2.4 V (drift 30 ppm/ฐC typical) with external overdrive capability

Single 5 V supply, low power (70 mW typical)

http://www.analog.com/static/imported-files/data_sheets/ADE7758.pdf

MCP3909
Energy Metering IC with SPI Interface and Active Power Pulse Output

Description
The MCP3909 device is an energy-metering IC
designed to support the IEC 62053 international
metering standard specification. It supplies a frequency
output proportional to the average active real power,
with simultaneous serial access to ADC channels and
multiplier output data. This output waveform data is
available at up to 14 kHz with 16-bit ADC output and
20-bit multiplier output words. The 16-bit, delta-sigma
ADCs allow for a wide range of IB and IMAX currents
and/or small shunt

Features
• Supports IEC 62053 International Energy
Metering Specification and legacy IEC 1036/
61036/687 Specifications
• Digital waveform data access through SPI
interface
- 16-bit Dual ADC output data words
- 20-bit Multiplier output data word
• Dual functionality pins support serial interface
access and simultaneous Active Power Pulse
Output
• Two 16-bit second order delta-sigma
Analog-to-Digital Converters (ADCs) with multi-bit
DAC
- 81 dB SINAD (typ.) both channels
• 0.1% typical active energy measurement error
over 1000:1 dynamic range
• PGA for small signal inputs supports low value
shunt current sensor
• Ultra-low drift on-chip reference:
15 ppm/°C (typical)
• Direct drive for electromagnetic mechanical
counter and two-phase stepper motors
• Low IDD of 4 mA (maximum)
• Tamper output pin for negative power indication
• Industrial Temperature Range: -40°C to +85°C

http://ww1.microchip.com/downloads/en/DeviceDoc/22025b.pdf

GENERAL DESCRIPTION
The ADE7752 is a high accuracy polyphase electrical energy measurement IC.

The ADE7752A is a pin-to-pin compatible low power version of ADE7752. The functions of ADE7752 and ADE7752A are the same. Both products are referred to in the text of this data sheet as ADE7752. The part specifications surpass the accuracy requirements as quoted in the IEC62053-2x standard. The only analog circuitry used in the ADE7752 is in the analog-to-digital converters (ADCs) and reference circuit. All other signal processing (such as multi-plication, filtering, and summation) is carried out in the digital domain. This approach provides superior stability and accuracy over extremes in environmental conditions and over time.
FEATURES
High accuracy, supports 50 Hz/60 Hz IEC62053-2x

Less than 0.1% error over a dynamic range of 500 to 1

Compatible with 3-phase/3-wire delta and 3-phase/4-wire Wye configurations

The ADE77521 supplies average real power on frequency outputs F1 and F2

High frequency output CF is intended for calibration and supplies instantaneous real power

Logic output REVP indicates a potential miswiring or negative power for each phase Direct drive for electromechanical counters and 2-phase stepper motors (F1 and F2)

Proprietary ADCs and DSP provide high accuracy over large variations in environmental conditions and time On-chip power supply monitoring

On-chip creep protection (no load threshold) On-chip reference 2.4 V ฑ8% (20 ppm/ฐC typical) with external overdrive capability

Single 5 V supply, low power 60 mW typical: ADE7752 30 mW typical: ADE7752A

Low cost CMOS process

http://www.analog.com/static/imported-files/data_sheets/ADE7752_7752A.pdf

Single-Phase Energy Metering IC

2009-10-23T17:59:00.000-07:00

ADE7763: SINGLE-PHASE ACTIVE AND APPARENT ENERGY METERING IC

The ADE77631 features proprietary ADCs and fixed function DSP for high accuracy over large variations in environmental conditions and time. The ADE7763 incorporates two second-order, 16-bit Σ-Δ ADCs, a digital integrator (on Ch1), reference circuitry, a temperature sensor, and all the signal processing required to perform active and apparent energy measurements,
line-voltage period measurements, and rms calculation on the voltage and current channels. The selectable on-chip digital integrator provides direct interface to di/dt current sensors such as Rogowski coils, eliminating the need for an external analog integrator and resulting in excellent long-term stability and precise phase matching between the current and the voltage channels.

FEATURES
High accuracy; supports IEC 61036/60687, IEC62053-21, and IEC62053-22
On-chip digital current channel allows direct interface to shunts and current transformers
Active and apparent energy, sampled waveform, and current and voltage rms
Less than 0.1% error in active energy measurement over a dynamic range of 1000 to 1 at 25°C
Positive-only energy accumulation mode available
On-chip user programmable threshold for line voltage surge and SAG and PSU supervisory
Digital calibration for power, phase, and input offset
On-chip temperature sensor (±3°C typical)
SPI®-compatible serial interface
Pulse output with programmable frequency
Interrupt request pin () and status register IRQ
Reference 2.4 V with external overdrive capability
Single 5 V supply, low power (25 mW typical)

http://www.analog.com/static/imported-files/data_sheets/ADE7763.pdf

ADE5166: Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver integrator enables direct interface-to-current sensors with di/dt output

MICROPROCESSOR FEATURES
8052-based core
Single-cycle 4 MIPS 8052 core
8052-compatible instruction set
32.768 kHz external crystal with on-chip PLL
2 external interrupt sources
External reset pin
Low power battery mode
Wake-up from I/O, temperature change, alarm, and universal asynchronous receiver/transmitter (UART)
LCD driver operation with automatic scrolling
Temperature measurement
Real-time clock (RTC)
Counter for seconds, minutes, hours, days, months, and years
Date counter, including leap year compensation
Automatic battery switchover for RTC backup
Operation down to 2.4 V
Ultralow battery supply current: 1.7 μA
Selectable output frequency: 1 Hz to 16 kHz
Embedded digital crystal frequency compensation for calibration and temperature variation of 2 ppm resolution
Integrated LCD driver
108-segment driver for the ADE5566 and ADE5569
104-segment driver for the ADE5166 and ADE5169
2×, 3×, or 4× multiplexing
4 LCD memory banks for screen scrolling
LCD voltages generated internally or with external resistors
Internal adjustable drive voltages up to 5 V independent of power supply level
On-chip peripherals
2 independent UART interfaces
SPI or I2C
Watchdog timer
Power supply management with user-selectable levels
Memory: 62 kB flash memory, 2.256 kB RAM
Development tools
Single-pin emulation
IDE-based assembly and C source debugging

GENERAL FEATURES
Wide supply voltage operation: 2.4 V to 3.7 V
Internal bipolar switch between regulated and battery inputs
Ultralow power operation with power saving modes (PSM)
Full operation: 4.4 mA to 1.6 mA (PLL clock dependent)
Battery mode: 3.3 mA to 400 μA (PLL clock dependent)
Sleep mode
Real-time clock (RTC) mode: 1.7 μA
RTC and LCD mode: 38 μA (LCD charge pump enabled)
Reference: 1.2 V ± 0.1% (10 ppm/°C drift)
64-lead, low profile quad flat, RoHS-compliant package (LQFP)
Operating temperature range: −40°C to +85°C

http://www.analog.com/static/imported-files/data_sheets/ADE5166_5169_5566_5569.pdf

ADE7751: SINGLE PHASE ENERGY METERING IC WITH ON-CHIP FAULT DETECTION

The only analog circuitry used in the ADE7751 is in the ADCs
and reference circuit. All other signal processing (e.g., multiplication
and filtering) is carried out in the digital domain. This
approach provides superior stability and accuracy over extremes
in environmental conditions and over time.

The ADE7751 incorporates a novel fault detection scheme that
warns of fault conditions and allows the ADE7751 to continue
accurate billing during a fault event. The ADE7751 does this
by continuously monitoring both the phase and neutral (return)
currents. A fault is indicated when these currents differ by more
than 12.5%. Billing is continued using the larger of the two currents.

The ADE7751 supplies average real power information on the
low-frequency outputs F1 and F2. These logic outputs may be
used to directly drive an electromechanical counter or interface
to an MCU. The CF logic output gives instantaneous real power
information. This output is intended to be used for calibration purposes.

The ADE7751 includes a power supply monitoring circuit on the
AVDD supply pin. The ADE7751 will remain in a reset condition
until the supply voltage on AVDD reaches 4 V. If the supply falls
below 4 V, the ADE7751 will also be reset and no pulses will be
issued on F1, F2, and CF.

FEATURES
High Accuracy, Surpasses 50 Hz/60 Hz IEC 687/1036
Less than 0.1% Error over a Dynamic Range of 500 to 1
Supplies Average Real Power on the Frequency
Outputs F1 and F2
High-Frequency Output CF Is Intended for Calibration
and Supplies Instantaneous Real Power
Continuous Monitoring of the Phase and Neutral
Current Allows Fault Detection in 2-Wire
Distribution Systems
ADE7751 Uses the Larger of the Two Currents (Phase
or Neutral) to Bill—Even During a Fault Condition
Two Logic Outputs (FAULT and REVP) Can Be Used to
Indicate a Potential Miswiring or Fault Condition
Direct Drive for Electromechanical Counters and
2-Phase Stepper Motors (F1 and F2)
A PGA in the Current Channel Allows the Use of Small
Values of Shunt and Burden Resistance
Proprietary ADCs and DSP Provide High Accuracy over
Large Variations in Environmental Conditions and Time
On-Chip Power Supply Monitoring
On-Chip Creep Protection (No Load Threshold)
On-Chip Reference 2.5 V _ 8% (30 ppm/_C Typical)
with External Overdrive Capability
Single 5 V Supply, Low Power (15 mW Typical)
Low-Cost CMOS Process

http://www.analog.com/static/imported-files/data_sheets/ADE7751.pdf

MCP3905A
Energy Metering ICs with Active Real Power Pulse Output

Description
The MCP3905A/05L/06A devices are energy-metering
ICs designed to support the IEC 62053 international
metering standard specification. They supply a
frequency output proportional to the average active real
power, as well as a higher-frequency output
proportional to the instantaneous power for meter
calibration. The MCP3905L offers reduced pulse width
of calibration output frequency and mechanical counter
drive for lower power meter designs. They include two
16-bit, Delta-Sigma ADCs for a wide range of IB and
IMAX currents and/or small shunt (<200 µOhms) meter
designs. It includes an ultra-low drift voltage reference
with < 15 ppm/°C through a specially designed band
gap temperature curve for the minimum gradient across
the industrial temperature range. A fixed-function DSP
block is on-chip for active real-power calculation. A noload
threshold block prevents any current creep
measurements. A Power-On Reset (POR) block
restricts meter performance during low-voltage
situations. These accurate energy metering ICs with
high field reliability are available in the industry standard
pinout.

Features
• Supplies active (real) power measurement for
single-phase, residential energy metering
• Supports IEC 62053 International Energy
Metering Specification and legacy IEC
1036/61036/687 Specifications
• Two multi-bit, DAC, second-order, 16-bit, Delta-
Sigma Analog-to-Digital Converters (ADCs)
• Reduced pulse width of calibration output
frequency and mechanical counter drive for low
power meter designs (MCP3905L)
• Increased output frequency constant options for
meter design (MCP3905L)
• 0.1% typical measurement error over 500:1
dynamic range (MCP3905A / MCP3905L)
• 0.1% typical measurement error over 1000:1
dynamic range (MCP3906A)
• Programmable Gain Amplifier (PGA) for small signal
inputs supports low value shunt current sensor:
- 16:1 PGA - MCP3905A / MCP3905L
- 32:1 PGA - MCP3906A
• Ultra-low drift on-chip reference: 15 ppm/°C (typ.)
• Direct drive for electromagnetic mechanical
counter and two-phase stepper motors
• Low IDD of 4 mA (typ.)
• Tamper output pin for negative power indication
• Industrial Temperature Range: -40°C to +85°C
• Supplies instantaneous real power on HFOUT for
meter calibration

http://ww1.microchip.com/downloads/en/DeviceDoc/22011a.pdf

Integrated Circuits ICs Lecture Vedio

2009-06-20T21:20:00.000-07:00

Integrated Circuits

Integrated Chip Lecture Vedio

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Switch-Mode Battery Charger ICs

2009-04-13T17:38:00.000-07:00

Switch-Mode 1-Cell Li+ Chargers

The MAX1925/MAX1926 single-cell lithium-ion (Li+)
switch-mode battery chargers use an external PMOS
pass element step-down configuration. Charge current
is programmable, and an external capacitor sets the
maximum charge time.

Additional features include automatic input power
detection (ACON output), logic-controlled enable, and
temperature monitoring with an external thermistor. The
MAX1925 disables charging for inputs greater than
6.1V, while the MAX1926 charges for inputs between
4.25V and 12V.

The MAX1925/MAX1926 feature two precondition levels
to restore near-dead cells. The devices source 4mA to
a cell that is below 2V while sourcing C/10 to a cell
between 2V and 3V. Full charge current is then applied
above 3V. A CHG output drives an LED to indicate
charging (LED on) and fault conditions (LED blinking).
The MAX1925/MAX1926 are available in a 12-pin
4mm * 4mm thin QFN package and are specified over
the extended temperature range (-40°C to +85°C). An
evaluation kit is available to speed design.

Feature
_ Small (4mm * 4mm) Package
_ 4.25V to 12V Input Range (MAX1926)
_ Overvoltage Lockout at 6.1V (MAX1925)
_ ±0.75% Battery Regulation Voltage
_ Set Charge Current with One Resistor
_ Automatic Input Power Sense
_ LED (or Logic-Out) Charge Status and Fault
Indicator
_ Programmable Safety Timer
_ Autorestart at Cell = 4V
_ Thermistor Monitor Input

MAX1925 Datasheet pdf

Switch-Mode Lithium-Ion
Battery-Charger

The MAX745 provides all functions necessary for
charging lithium-ion (Li+) battery packs. It provides a
regulated charging current of up to 4A without getting
hot, and a regulated voltage with only ±0.75% total
error at the battery terminals. It uses low-cost, 1% resistors
to set the output voltage, and a low-cost N-channel
MOSFET as the power switch.

The MAX745 regulates the voltage set point and charging
current using two loops that work together to transition
smoothly between voltage and current regulation.
The per-cell battery voltage regulation limit is set
between 4V and 4.4V using standard 1% resistors, and
then the number of cells is set from 1 to 4 by pin-strapping.
Total output voltage error is less than ±0.75%.
For a similar device with an SMBus™ microcontroller
interface and the ability to charge NiCd and NiMH cells,
refer to the MAX1647 and MAX1648. For a low-cost Li+
charger using a linear-regulator control scheme, refer
to the MAX846A.

Features
_ Charges 1 to 4 Li+ Battery Cells
_ ±0.75% Voltage-Regulation Accuracy
Using 1% Resistors
_ Provides up to 4A without Excessive Heating
_ 90% Efficient
_ Uses Low-Cost Set Resistors and
N-Channel Switch
_ Up to 24V Input
_ Up to 18V Maximum Battery Voltage
_ 300kHz Pulse-Width Modulated (PWM) Operation
Low-Noise, Small Components
_ Stand-Alone Operation—No Microcontroller
Needed

MAX745 Datasheet pdf

LTC4009 - High Efficiency, Multi-Chemistry

Battery Charger

The LTC4009 is a constant-current/constant-
voltage battery charger controller. It uses
a synchronous quasi-constant frequency
PWM control architecture that will not
generate audible noise with ceramic bulk
capacitors. Charge current is set by the
combination of external sense, input and
programming resistors. With no built-in
termination, the LTC4009 family charges a
wide range of batteries under external
control.

Features
1.Click Here For LTC4009 Evaluation Kits
2.General Purpose Battery Charger Controller
3.Efficient 550kHz Synchronous Buck PWM Topology
4.±0.5% Output Float Voltage Accuracy
5.Programmable Charge Current: 4% Accuracy
6.Programmable AC Adapter Current Limit: 3% Accuracy
7.No Audible Noise with Ceramic Capacitors
8.Wide Input Voltage Range: 6V to 28V
9.Wide Output Voltage Range: 2V to 28V
10.Indicator Outputs for AC Adapter Present, Charging,
C/10 Current Detection and Input Current Limiting
11.Analog Charge Current Monitor
12.Micropower Shutdown
13.Thermally Enhanced 20-Pin 4mm × 4mm × 0.75mm QFN Package

LTC4009 Datasheet pdf

LTC4062 - Standalone Linear Li-Ion Battery Charger with
Micropower Comparator

The LTC4062 is a full-featured, flexible, standalone linear
charger for single-cell Lithium-Ion batteries. It is capable of
operating within USB power specifications.

Both programmable time and programmable current based
termination schemes are available. Furthermore, the CHRG
open-drain status pin can be programmed to indicate the
battery charge state according to the needs of the application.
A precise low power comparator is available even with no
power applied as long as battery voltage is higher than 2.5V.
Additional safety features designed to maximize battery
lifetime and reliability include the SmartStart charging algorithm.

Features
1.Charge Current Programmable up to 1A
2.Charges Single Cell Li-Ion Batteries Directly from USB Port
3.Preset Float Voltage with ±0.35% Accuracy
4.Micropower Comparator for Battery Monitoring
5.Thermal Regulation Maximizes Charge Rate Without Risk

of Overheating*
6.Programmable Charge Current Detection/Termination
7. Charge Termination Timer
8.Smart Pulsing Error Feature
9.SmartStartTM Prolongs Battery Life
10.20µA Charger Quiescent Current in Shutdown
11.Available in a Low Profile (0.75mm) 10-Lead12.

(3mm × 3mm) DFN Package

LTC4062 Datasheet pdf

Linear Battery-Charger ICs

2009-04-12T17:33:00.000-07:00

NiCd/NiMH Battery
Fast-Charge Controllers

The MAX712/MAX713 fast-charge Nickel Metal Hydride
(NiMH) and Nickel Cadmium (NiCd) batteries from a DC
source at least 1.5V higher than the maximum battery
voltage. 1 to 16 series cells can be charged at rates up
to 4C. A voltage-slope detecting analog-to-digital converter,
timer, and temperature window comparator determine
charge completion. The MAX712/MAX713 are powered
by the DC source via an on-board +5V shunt regulator.
They draw a maximum of 5µA from the battery when not
charging. A low-side current-sense resistor allows the
battery charge current to be regulated while still
supplying power to the battery’s load.
The MAX712 terminates fast charge by detecting zero
voltage slope, while the MAX713 uses a negative
voltage-slope detection scheme. Both parts come in 16-
pin DIP and SO packages. An external power PNP transistor,
blocking diode, three resistors, and three
capacitors are the only required external components.
The evaluation kit is available: Order the MAX712EVKITDIP
for quick evaluation of the linear charger.

Feature
♦ Fast-Charge NiMH or NiCd Batteries
♦ Voltage Slope, Temperature, and Timer
Fast-Charge Cutoff
♦ Charge 1 to 16 Series Cells
♦ Supply Battery’s Load While Charging
(Linear Mode)
♦ Fast Charge from C/4 to 4C Rate
♦ C/16 Trickle-Charge Rate
♦ Automatically Switch from Fast to Trickle Charge
♦ Linear Mode Power Control
♦ 5uA (max) Drain on Battery when Not Charging
♦ 5V Shunt Regulator Powers External Logic

MAX712/MAX713 Datasheet pdf

Cost-Saving Multichemistry
Battery-Charger System

The MAX846A is a cost-saving multichemistry batterycharger
system that comes in a space-saving 16-pin
QSOP. This integrated system allows different battery
chemistries (Li-Ion, NiMH or NiCd cells) to be charged
using one circuit.

In its simplest application, the MAX846A is a standalone,
current-limited float voltage source that charges
Li-Ion cells. It can also be paired up with a low-cost
microcontroller (µC) to build a universal charger capable
of charging Li-Ion, NiMH, and NiCd cells.
An internal 0.5%-accurate reference allows safe charging
of Li-Ion cells that require tight voltage accuracy.
The voltage- and current-regulation loops used to control
a low-cost external PNP transistor (or P-channel
MOSFET) are independent of each other, allowing more
flexibility in the charging algorithms.
The MAX846A has a built-in 1%, 3.3V, 20mA linear regulator
capable of powering the µC and providing a reference
for the µC’s analog-to-digital converters. An
on-board reset notifies the controller upon any unexpected
loss of power. The µC can be inexpensive, since
its only functions are to monitor the voltage and current
and to change the charging algorithms.

Feature
- Multichemistry Charger System (Li-Ion, NiMH, NiCd)
- Independent Voltage and Current Loops
- ±0.5% Internal Reference for Li-Ion Cells
- Lowers Cost:
—Stands Alone or Uses Low-Cost µC
—Built-In 1% Linear Regulator Powers µC
—Linear Regulator Provides Reference to µC ADCs
—Built-In µC Reset
—Controls Low-Cost External PNP Transistor or
P-Channel MOSFET
- Space-Saving 16-Pin QSOP
- Charging-Current-Monitor Output
- <1µa>

MAX846A Datasheet pdf

Magnetic Position Sensor- Analogue Output

2009-04-10T11:35:00.000-07:00

PRAS20
Magnetic Position Sensor
has 0.5 to 4.5V ratiometric, analogue output

ASM has introduced the PRAS20, a non-contact, magnetic
rotary position sensor in a 6.0mm cost effective package.
This angular position sensor yields a 0.5 to 4.5V ratiometric,
analogue output that is available either with a 360°
measurement range or with smaller ranges in 15° increments.
This wear-free design measures angular displacement with
an external permanent magnet. The circuitry for the sensor
is encapsulated in a glass-fibre-reinforced thermoplastic
which provides shock and vibration resistance ratings of
100g/11ms shock and 20g, 10Hz to 2kHz, 10 cycles vibration.
The sensor is suitable for OEM motion control and process
automation applications.

PRAS20 Datasheet

HMC1501 / HMC1512
Linear / Angular / RotaryDisplacement Sensors

High resolution, low power MR sensor capable of measuring

the angle direction of a magnetic field from a magnet with

<0.07resolution.>

field strength include: insensitivity to the tempco of the magnet,

less sensitivity to shock and vibration, and the ability to

withstand large variations in the gap between the sensor and

magnet. These sensors may be operated on 3 volts with

bandwidth response of 0-5 MHz. Output is typical Wheatstone

bridge.

HMC1501 Datasheet pdf

12 Bit Magnetic Rotary Encoder ICs

2009-04-09T11:28:00.000-07:00

AS5045
12 BIT PROGRAMMABLE MAGNETIC
ROTARY ENCODER

The AS5045 is a contactless magnetic rotary encoder for
accurate angular measurement over a full turn of 360°.
It is a system-on-chip, combining integrated Hall
elements, analog front end and digital signal processing
in a single device.

To measure the angle, only a simple two-pole magnet,
rotating over the center of the chip, is required. The
magnet may be placed above or below the IC.
The absolute angle measurement provides instant
indication of the magnet’s angular position with a
resolution of 0.0879° = 4096 positions per revolution.
This digital data is available as a serial bit stream and as
a PWM signal.

An internal voltage regulator allows the AS5045 to
operate at either 3.3 V or 5 V supplies

Features
- Contactless high resolution rotational position
encoding over a full turn of 360 degrees
- Two digital 12bit absolute outputs:
- Serial interface and
- Pulse width modulated (PWM) output
- User programmable zero position
- Failure detection mode for magnet placement
monitoring and loss of power supply
- “red-yellow-green” indicators display placement of
magnet in Z-axis
- Serial read-out of multiple interconnected AS5045
devices using Daisy Chain mode
- Tolerant to magnet misalignment and airgap
variations
- Wide temperature range: - 40°C to + 125°C
- Small Pb-free package: SSOP 16 (5.3mm x 6.2mm)

AS5045 Datasheet

AS5145
12-Bit Programmable Magnetic Rotary Encoder

The AS5145 is a contact less magnetic rotary encoder

for accurate angular measurement over a full turn of 360 degrees.
It is a system-on-chip, combining integrated Hall elements,

analog front end and digital signal processing in a single device.

To measure the angle, only a simple two-pole magnet, rotating

over the center of the chip, is required. The magnet may be

placed above or below the IC.The absolute angle measurement

provides instant indication of the magnet’s angular position with

a resolution of 0.0879º = 4096 positions per revolution. This

digital data is available as a serial bit stream and as a PWM

signal.An internal voltage regulator allows the AS5145 to operate

at either 3.3V or 5V supplies.

Features
- Contact less high resolution rotational position
encoding over a full turn of 360 degrees
- Two digital 12 bit absolute outputs:
- Serial interface
- Pulse width modulated (PWM) output
- Three incremental outputs
- Quadrature A/B (10 or 12-bit) and Index output
signal (pre-programmed versions available)
- User programmable zero position
- Failure detection mode for magnet placement,
monitoring, and loss of power supply
- Red-Yellow-Green indicators display placement of
magnet in Z-axis
- Serial read-out of multiple interconnected AS5145
devices using Daisy Chain mode
- Tolerant to magnet misalignment and gap variations
- Wide temperature range: - 40ºC to +150ºC
- Fully automotive qualified to AEC-Q100, grade 0
- Small Pb-free package: SSOP 16 (5.3mm x 6.2mm)

AS5145 Datasheet

iC-MH
12 Bit Hall Angular Encoder

Features
- Real-time system using tracking principle for up to 120.000 rpm
- Integrated hall sensors with automatic offset compensation
- 4-fold sensor arrangement for displacement tolerant assembly
- Gain control for constant output amplitude
- Interpolator with 4096 angular steps per turn (0.1° resolution)
- Programmable resolution, hysteresis, edge control, zero position
and rotational direction
- Incremental outputs with edge frequency up to 8 MHz
- RS422 outputs with AB quadrature signals with index
- Commutation signals U, V, W for brushless dc motors
- Serial interface for absolute output and programming
- SSI compatible output mode
- Integrated zapping diodes for device setup and OEM data,
programmable via serial interface
- Error output for faulty signals (loss of magnet, frequency error);
error codes accessible via serial interface
- Extended temperature range -40 to +125 °C

iC-MH Datasheet

10 Bit Magnetic Rotary Encoder ICs

2009-04-08T11:24:00.001-07:00

AS5040
10 BIT 360° PROGRAMMABLE MAGNETIC
ROTARY ENCODER

The AS5040 is a contactless magnetic rotary encoder for
accurate angular measurement over a full turn of 360°.
It is a system-on-chip, combining integrated Hall
elements, analog front end and digital signal processing
in a single device.

To measure the angle, only a simple two-pole magnet,
rotating over the center of the chip, is required. The
magnet may be placed above or below the IC.
The absolute angle measurement provides instant
indication of the magnet’s angular position with a
resolution of 0.35° = 1024 positions per revolution. This
digital data is available as a serial bit stream and as a
PWM signal.

Furthermore, a user-programmable incremental output is
available, making the chip suitable for replacement of
various optical encoders.
An internal voltage regulator allows the AS5040 to
operate at either 3.3 V or 5 V supplies.

Features
- Contactless high resolution rotational position
encoding over a full turn of 360 degrees
- Two digital 10bit absolute outputs:
- Serial interface and
- Pulse width modulated (PWM) output
- Three incremental output modes:
- Quadrature A/B and Index output signal
- Step / Direction and Index output signal
- 3-phase commutation for brushless DC motors
- 10, 9, 8 or 7 bit user programmable resolution
- User programmable zero / index position
- Failure detection mode for magnet placement
monitoring and loss of power supply
- Rotational speeds up to 30,000 rpm
- Push button functionality detects movement of
magnet in Z-axis
- Serial read-out of multiple interconnected AS5040
devices using Daisy Chain mode
- Wide temperature range: - 40°C to + 125°C
- Fully automotive qualified to AEC-Q100, grade 1
- Small Pb-free package: SSOP 16 (5.3mm x 6.2mm)

AS5040 Datasheet

AS5140H
10 Bit 360º Programmable Magnetic Rotary
Encoder For High Ambient Temperatures

The AS5140H is a contactless magnetic rotary encoder
for accurate angular measurement over a full turn of
360º and over an extended ambient temperature range
of -40ºC to +150ºC.

It is a system-on-chip, combining integrated Hall
elements, analog front end and digital signal processing
in a single device.

To measure the angle, only a simple two-pole magnet,
rotating over the center of the chip, is required. The
magnet may be placed above or below the IC.
The absolute angle measurement provides instant
indication of the magnet’s angular position with a
resolution of 0.35º = 1024 positions per revolution. This
digital data is available as a serial bit stream and as a
PWM signal. Furthermore, a user-programmable
incremental output is available.

An internal voltage regulator allows the AS5140H to
operate at either 3.3 V or 5 V supplies.
The AS5140H is pin-compatible to the AS5040; however
it uses low-voltage OTP programming cells with
additional programming options.

Features
- Contactless high resolution rotational position
encoding over a full turn of 360º
- Two digital 10-bit absolute outputs: Serial interface
and Pulse width modulated (PWM) output
- Three incremental output modes: Quadrature A/B
and Index output signal, Step / Direction and Index
output signal, 3-phase commutation for brushless
DC motors
- User programmable zero / index position
- Failure detection mode for magnet placement monitoring
and loss of power supply
- Rotational speeds up to 10,000 rpm
- Pushbutton functionality detects movement of magnet
in Z-axis
- Serial read-out of multiple interconnected AS5140H
devices using Daisy Chain mode
- Fully automotive qualified to AEC-Q100, grade 0
- Wide ambient temperature range: -40ºC to +150ºC

AS5140H Datasheet

9 Bit Magnetic Rotary Encoder ICs

2009-04-06T18:20:00.000-07:00

AM512B
Angular magnetic encoder IC

The AM512B is a compact solution for angular
position sensing. The IC senses the angular
position of a permanent magnet placed above
the chip. The permanent magnet must be
diametrically polarized and of cylindrical shape.
The AM512B uses Hall sensor technology to
detect the magnetic flux density distribution at
the surface of the silicon. Hall sensors are
placed in a circular array around the center of
the IC and deliver a voltage representation of
the magnetic field distribution.

The sine and cosine voltage outputs from the
sensor array vary with magnet position. The
sine and cosine signals are then converted to
absolute angle position with a fast nine bit flash
interpolator.

The absolute angle position value from the
interpolator is output either through a parallel
binary interface, a serial SSI interface or a linear
voltage output. The relative changes of the
angle position are also output as incremental
A QUAD B encoder signals. The resolution of
incremental output is 512 counts per turn.

Features
- Contactless angular position encoding over 360°
- Ideal for harsh environments due to magnetic
sensing
- Complete system-on-chip solution
- 9 bit absolute encoder
- Output options:
- Incremental
- Parallel
- Serial SSI
- Analogue linear
- Factory optimized linearity
- High rotational speed up to 30,000 rpm
- 5 V power supply
- Low power consumption. 20 mA typical.
- Extended operating temperature range
(-40 °C to +125 °C)
- SMD package LQFP44
- RoHS compliant (lead free)

AM512B datasheet pdf

8 Bit Magnetic Rotary Encoder ICs

2009-04-05T18:12:00.001-07:00

AS5030
8 BIT PROGRAMMABLE HIGH SPEED ABSOLUTE
Magnetic Rotary Encoder

The AS5030 is a contactless magnetic rotary encoder for
accurate angular measurement over a full turn of 360°.
It is a system-on-chip, combining integrated Hall
elements, analog front end and digital signal processing
in a single device.

To measure the angle, only a simple two-pole magnet,
rotating over the center of the chip is required.
The absolute angle measurement provides instant
indication of the magnet’s angular position with a
resolution of 8 bit = 256 positions per revolution. This
digital data is available as a serial bit stream and as a
PWM signal.

In addition to the angle information, the strength of the
magnetic field is also available as a 6-bit code.
Data transmission can be configured for 1-wire (PWM),
2-wires (CLK, DIO) or 3-wires (CLK, DIO, CS) .
A software programmable (OTP) zero position simplifies
assembly as the zero position of the magnet does not
need to be mechanically aligned.

A Power Down Mode together with fast startup- and
measurement cycles allows for very low average power
consumption and makes the AS5030 also suitable for
battery operated equipment.

Features
- 360°contactless angular position encoding
- Two digital 8-bit absolute outputs:
- Serial interface and
- Pulse width modulated (PWM) output
- User programmable zero position
- High speed: up to 30.000 rpm
- Direct measurement of magnetic field strength allows
exact determination of vertical magnet distance
- Serial read-out of multiple interconnected AS5030
devices using daisy chain mode
- Wide magnetic field input range: 20 – 80mT
- Wide temperature range: - 40°C to + 125°C
- Small Pb-free package: TSSOP 16

AS5030 datasheet

AS5035
8-bit Magnetic Rotary Encoder with Incremental Outputs

The AS5035 is a magnetic incremental encoder with 64
quadrature pulses per revolution (8-bit resolution) and
index output.

Two diagnostic outputs are provided to indicate an out-ofrange
condition of the magnetic field as well as movement
of the magnet in Z-axis. In addition a specific combination
of output states indicate a loss of power supply.
The AS5035 is available in a small 16pin SSOP package. It
can be operated at either 3.3V or 5V supplies.

Features
- Full turn (360°) contactless angular position encoder
- 2 quadrature A/B outputs with 64 pulses per revolution
(ppr), 256 edges per revolution, 1.4° per step
- Index output (one pulse per revolution)
- Accurate user programmable zero position (0.35°)
- Failure detection mode for magnet placement
monitoring and loss of power supply
- Wide temperature range: - 40°C to + 125°C
- Small lead-free package: SSOP 16 (5.3mm x 6.2mm)

AS5035 datasheet

AS5130
8 Bit Programmable Magnetic Rotary Encoder
with Motion Detection & Multiturn

The AS5130 is a contactless magnetic rotary encoder
for accurate angular measurement over a full turn of
360º. It is a system-on-chip, combining integrated Hall
elements, analog front end and digital signal processing
in a single device. The angle can be measured using
only a simple two-pole magnet rotating over the center
of the chip. The magnet may be placed above or below
the IC. The absolute angle measurement provides
instant indication of the magnet’s angular position with a
resolution of 8 bit = 256 positions per revolution. This
digital data is available as a serial bit stream and as a
PWM signal. The AS5130 can be operated in pulsed
mode (Vsupply=off), which reduces the average power
consumption significantly. During Vsupply=off, the
measured angle can be stored using an internal storage
register supplied by a low power voltage line. This mode
achieves very low power consumption during polling of
the rotary position of the magnet. If the position of the
magnet changes, then the motion detection feature
wakes up an external system. The device is capable of
counting the amount of magnet revolutions. The multi
turn counter value is stored in a register and can be read
in addition to the angle information. Furthermore, any
arbitrary position can be set as zero-position. The
system is tolerant to misalignment, air gap variations,
temperature variations and external magnetic fields and
high reliability due to non-contact sensing.

Features
- 360º contactless angular position encoding
- Two digital 8-bit absolute outputs:
- Serial interface
- Pulse width modulated (PWM) output
- User programmable zero position
- High speed: up to 30000 rpm
- Failure detection mode for magnet placement monitoring
and loss of power supply
- Wide temperature range: - 40ºC to +125ºC
- Multi Turn counter / Movement detection
- Small Pb-free package: SSOP-16 (5.3mm x 6.2mm)
- Automotive qualified to AEC-Q100, grade 1

AS5130 datasheet

AM256
Angular magnetic encoder IC
The AM256 is a compact solution for angular
position sensing. The IC senses the angular
position of a permanent magnet placed above the
chip. The permanent magnet must be
diametrically polarized and of cylindrical shape.
The AM256 uses Hall sensor technology to detect
the magnetic flux density distribution at the
surface of the silicon. Hall sensors are placed in a
circular array around the center of the IC and
deliver a voltage representation of the magnetic
field distribution.

The sine and cosine voltage outputs from the
sensor array vary with magnet position. The sine
and cosine signals are then converted to absolute
angle position with a fast eight bit flash
interpolator.

The absolute angle position value from the
interpolator is output through a parallel binary
interface or a serial SSI interface. The relative
changes of the angle position are output through
incremental A QUAD B encoder signals. The
resolution of incremental output is selectable
between 128 and 256 counts per turn with an
external pin

Features:
- Contactless angular position encoding over 360°
- Ideal for harsh environments due to magnetic
sensing
- Complete system-on-chip solution
- 8 bit absolute encoder
- Output options:
- Incremental
- Parallel
- Serial SSI
- Analogue sinusoidal
- Factory optimized linearity
- High rotational speed up to 60,000 rpm
- 5 V power supply
- Low power consumption. 13 mA typical.
- Extended operating temperature range
(-40 °C to +125 °C)
- SMD package SSOP28
- RoHS compliant (lead free)

AM256 datasheet pdf

Digital Light Sensor ICs

2009-04-05T05:53:00.000-07:00

ISL29001

Block Diagram

The ISL29001 is an integrated ambient light sensor with
ADC and I2C interface. With a spectral sensitivity curve
matched to that of the human eye, the ISL29001 provides
15-bit effective resolution while rejecting 50Hz and 60Hz
flicker caused by artificial light sources.

In normal operation, the ISL29001 consumes less than
300µA of supply current. A software power-down mode
controlled via the I2C interface disables all but the I2C
interface. A power-down pin is also provided, which reduces
power consumption to less than 1µA.

The ISL29001 includes an internal oscillator, which provides
100ms automatic integration periods, or can be externally
timed by I2C commands. Both the internal timing and the
illuminance resolution can be adjusted with an external
resistor.

Designed to operate on supplies from 2.5V to 3.3V, the
ISL29001 is specified for operation over the -40°C to +85°C
ambient temperature range. It is packaged in a clear 6 Ld
ODFN package.

Features
• Human Eye Response
• Temperature Compensated
• IR Rejection
• 15-bit Effective Resolution
• Adjustable Resolution: 3 Counts to 15 Counts per lux
• Simple Output Code, Directly Proportional to lux
• 0.3 lux to10,000 lux Range
• 50Hz/60Hz Rejection
• I2C Interface
• 2.5V to 3.3V Supply
• 6 Ld ODFN (2.1mmx2mm)
• Pb-Free (RoHS compliant)

ISL29001 datasheet pdf

TSL2550
AMBIENT LIGHT SENSOR
WITH SMBus INTERFACE

Description
The TSL2550 is a digital light sensor with a two-wire, SMBus
serial interface. It combines two photodiodes and a companding
analog-to-digital converter (ADC) on a single CMOS integrated
circuit to provide light measurements over an effective 12-bit
dynamic range.

The TSL2550 is designed for use with broad wavelength light
sources. One of the photodiodes (Channel 0) is sensitive to
visible and infrared light, while the second photodiode
(Channel 1) is sensitive primarily to infrared light. An integrating
ADC converts the photodiode currents to Channel 0 and
Channel 1 digital outputs. Channel 1 digital output is used to
compensate for the effect of the infrared component of ambient
light on Channel 0 digital output. The ADC digital outputs of the
two channels are used to obtain a value that approximates the
human eye response in the commonly used unit of Lux.

Feature
_ Converts Light Intensity to Digital Signal
_ Infrared Compensation to Approximate
Human Eye Response
_ Companding A/D for Wide Dynamic Range
_ Rejects 50 Hz/60 Hz Lighting Ripple
_ Two-Wire SMBus Serial Interface
_ Single Supply Operation (2.7 V to 5.5 V)
_ Low Active Power (1 mW typ)
_ Power Down Mode
_ Low-Profile Surface-Mount Package

TSL2550 datasheet pdf

Ultra-compact Ambient Light Sensor
BH1720FVC (Digital Output)

a digital output type (BH1720FVC) integrating a 16bit A/D

converter for direct digital output that eliminates the need for

external processing. The advanced features, combined with

a compact package size and shutdown function that limits

power consumption, make them ideal for high performance,

energy-saving backlight adjustment in portable devices of all

types, including compact LCD TVs, mobile phones, portable

gaming consoles, and notebook PCs.

features
1.Ultra-compact WSOF5 package (1.6mm×1.6mm×0.55mm)
2.Spectral sensitivity close to that of the human eye (peak

sensitivity waveform: 560nm)
3.Sensitivity variability: +/−15%
4.Built-in shutdown function
5.Compatible with 1.8V logic input interface
6.Three output current gain switching levels: 0.57µA/100lx,

5.7µA/100lx, 57µA/100lx (BH1620FVC)
7.Broad light measurement range: 0–100,000+lx (BH1620FVC),

0-65,528lx (BH1720FVC)
8.Wide operating voltage range: 2.4–5.5V (BH1620FVC)
9.Output proportional to brightness
10.I2C bus compatibility (F/S mode)
11.Integrated 16bit A/D converter eliminates the need for

external processing
12.50Hz/60Hz optical noise removal function ensures stable

measurement (BH1720FVC)

BH1720FVC datasheet pdf