TLC540I, TLC540M, TLC541I, TLC541M LinCMOS WITH SERIAL CONTROL AND 11 INPUTS

SLAS065 - D2799, OCTOBER 1983 - REVISED OCTOBER 1988

features

LinCMOS^TM Technology
8-Bit Resolution A/D Converter
Microprocessor Peripheral or Stand-Alone Operation
On-Chip 12-Channel Analog Multiplexer
Built-in Self-Test Mode
Software-Controllable Sample and Hold
Total Unadjusted Error... ±0.5 LSB Max
TLC541 is Direct Replacement for Motorola
- MC145040 and National Semiconductor
- ADC0811. TLC540 is Capable of Higher Speed
Pinout and Control Signals Compatible with TLC1540 Family of 10-Bit A/D Converters
TYPICAL PERFORMANCE TLC540 TLC541
Channel Acquisition Sample Time Conversion Time Samples per Second Power Dissipation 2 us 9 us 75 x 10³ 6 mW 3.6 us 17 us 40 x 10³ 6 mW

TYPICAL PERFORMANCE	TLC540	TLC541
Channel Acquisition Sample Time Conversion Time Samples per Second Power Dissipation	2 us 9 us 75 x 10³ 6 mW	3.6 us 17 us 40 x 10³ 6 mW

description

The TLC540 and TLC541 are LinCMOS^TM

A/D peripherals built around an 8-bit switched- capacitor successive-approximation A/D converter. They are designed for serial interface to a microprocessor or peripheral via a 3-state output with up to four control inputs, including independent SYSTEM CLOCK, I/O CLOCK, Chip Select (CS\), and ADDRESS INPUT.

A 4-MHz system clock for the TLC540 and a 2.1-MHz system clock for the TLC541 with a design that includes simultaneous read/write operation allow high-speed data transfers and sample rates of up to 75,180 samples per second

for the TLC540 and 40,000 samples per second for the TLC541. In addition to the high-speed converter and versatile control logic, there is an on-chip 12-channel analog multiplexer that can be used to sample any one of 11 inputs or an internal self-test voltage, and a sample-and-hold that can operate automatically or under microprocessor control. Detailed information on interfacing to most popular microprocessors is readily available from the factory.

The converters incorporated in the TLC540 and TLC541 feature differential high-impedance reference inputs that facilitate ratiometric conversion, scaling, and analog circuitry isolation from logic and supply noises. A switched-capacitor design allows low-error (±0.5 LSB) conversion in 9 us for the TLC540 and 17 us for the TLC541 over the full operating temperature range.

The I-suffix versions are characterized for operation from -40°C to 85°C. The M-suffix versions are characterized for operation from -55°C to 125°C.

Title: LINCMOS(TM) 8-BIT A-TO-D PERIPHERALS WITH SERIAL CONTROL AND 11 INPUTS
Product Family: ANALOG TO DIGITAL
Device Functionality: DATA ACQ
Orderable Devices: TLC541MN

View the complete PDF datasheet: slas065.pdf (117 K Bytes) (Requires Acrobat Reader 3.x)

View more information about generic part numbers:TLC541M

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