TLC540I

D 8-Bit Resolution A/D Converter D Microprocessor Peripheral or Stand-Alone Operation D On-Chip 12-Channel Analog Multiplexer D Built-In Self-Test Mode D Software-Controllable Sample and Hold D Total Unadjusted Error . . . ± 0.5 LSB Max D TLC541 Is Direct Replacement for Motorola MC145040 and National Semiconductor ADC0811. TLC540 Is Capable of Higher Speed D Pinout and Control Signals Compatible With TLC1540 Family of 10-Bit A/D Converters D CMOS Technology TLC540I, TLC541I 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 INPUTS SLAS065B – OCTOBER 1983 – REVISED JUNE 2001 DW OR N PACKAGE (TOP VIEW) INPUT A0 INPUT A1 INPUT A2 INPUT A3 INPUT A4 INPUT A5 INPUT A6 INPUT A7 INPUT A8 GND 1 2 3 4 5 6 7 8 9 10 20 VCC 19 SYSTEM CLOCK 18 I/O CLOCK 17 ADDRESS INPUT 16 DATA OUT 15 CS 14 REF + 13 REF – 12 INPUT A10 11 INPUT A9 FN PACKAGE (TOP VIEW) INPUT A2 INPUT A1 INPUT A0 VCC SYSTEM CLOCK PARAMETER Channel Acquisition Sample Time Conversion Time (Max) Samples per Second (Max) Power Dissipation (Max) TLC540 2 µs 9 µs 75 x 103 12.5 mW TLC541 3.6 µs 17 µs 40 x 103 12.5 mW description The TLC540 and TLC541 are CMOS A / D converters built around an 8-bit switchedcapacitor successive-approximation A/D converters. They are designed for serial interface to a microprocessor or peripheral via a 3-state INPUT A3 INPUT A4 INPUT A5 INPUT A6 INPUT A7 3 2 1 20 19 4 18 5 17 6 16 7 15 8 14 9 10 11 12 13 I/O CLOCK ADDRESS INPUT DATA OUT CS REF + output with up to four control...