TLC542CDWR datasheet(2/11 Pages) TI

Part #	TLC542CDWR

Description	8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 INPUTS

PDF	11 Pages

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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2 / 11 page

TLC542C, TLC542I

8-BIT ANALOG-TO-DIGITAL CONVERTERS

WITH SERIAL CONTROL AND 11 INPUTS

SLAS075C – FEBRUARY 1989 – REVISED JUNE 2001

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

functional block diagram

12-Channel

Analog

Multiplexer

Sample and

Hold

8-Bit

Analog-to-Digital

Converter

(Switched-Capacitors)

Self-Test

Reference

Output

Data

8-to-1 Data

Selector and

Driver

Control Logic

and I/O

Counters

Input Address

REF+

REF–

DATA

OUT

Analog

Inputs

I/O CLOCK

EOC

Input

Multiplexer

ADDRESS

INPUT

typical equivalent inputs

INPUT CIRCUIT IMPEDANCE DURING SAMPLING MODE

INPUT CIRCUIT IMPEDANCE DURING HOLD MODE

1 k

Ω TYP

Ci = 60 pF TYP

(equivalent input

capacitance)

5 M

Ω TYP

INPUT

A0 – A10

INPUT

A0 – A10

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