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14-Channel

Analog

Multiplexer

Sample-and-

Hold

Function

12-Bit

Analog-to-Digital

Converter

(Switched Capacitors)

Self-Test

Reference

Output

Data

Register

12-to-1 Data

Selector and

Driver

Control Logic

and I/O

Counters

Input Address

Register

4

12

12

4

REF +

REF −

DATA

OUT

DATA

INPUT

I/O CLOCK

CS

3

EOC

17

18

15

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

AIN9

AIN10

1

2

3

4

5

6

7

8

9

11

12

14

13

16

19

TLC2543-EP

12-BIT ANALOG-TO-DIGITAL CONVERTER

WITH SERIAL CONTROL AND 11 ANALOG INPUTS

SGLS125A – JULY 2002 – REVISED NOVEMBER 2006

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

–40

°C to 125°C

SOP – DW

Tape and reel

TLC2543QDWREP

TLC2543QEP

-55

°C to 125°C

SSOP - DB

Tape and Reel

TLC2543MDBREP

TLC2543MEP

(1)

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

FUNCTIONAL BLOCK DIAGRAM

2

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