Controlled Baseline

− One Assembly/Test Site, One Fabrication

Site

Extended Temperature Performance of

−40°C to 125°C

Enhanced Diminishing Manufacturing

Sources (DMS) Support

Enhanced Product Change Notification

Qualification Pedigree†

10-Bit Resolution A/D Converter

11 Analog Input Channels

Three Built-In Self-Test Modes

Inherent Sample-and-Hold Function

Total Unadjusted Error . . . ±1 LSB Max

On-Chip System Clock

End-of-Conversion (EOC) Output

Terminal Compatible With TLC542

CMOS Technology

description

The TLC1542-EP and TLC1543-EP are CMOS 10-bit switched-capacitor successive-approximation

analog-to-digital converters. These devices have three inputs, a 3-state output chip select (CS), input/output

clock (I/O CLOCK), address input (ADDRESS), and data output (DATA OUT)] that provide a direct 4-wire

interface to the serial port of a host processor. The TLC1542-EP and TLC1543-EP allow high-speed data

transfers from the host.

In addition to a high-speed A/D converter and versatile control capability, the TLC1542-EP and TLC1543-EP

have an on-chip 14-channel multiplexer that can select any one of 11 analog inputs or any one of three internal

self-test voltages. The sample-and-hold function is automatic. At the end of the A/D conversion, the

end-of-conversion (EOC) output goes high to indicate that conversion is complete. The converter incorporated

in the TLC1542-EP and TLC1543-EP features differential high-impedance reference inputs that facilitate

ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise. A

switched-capacitor design allows low-error conversion over the full operating free-air temperature range.