14-Channel

Analog

Multiplexer

Reference CTRL

12-to-1

Data

Selector

and Driver

Control Logic

and I/O

Counters

Input Address

Register

4

12

4

REF +

REF −

DATA

OUT

DATA IN

I/O CLOCK

CS

3

INT/EOC

17

15

18

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

AIN9

AIN10

1

2

3

4

5

6

7

8

9

11

12

14

13

19

Low Power

12-Bit

SAR ADC

Sample

and Hold

Output Data

Register

12

16

4.096/2.048 V

Internal Reference

20

VCC

10

GND

Internal

OSC

Self Test

TLV2556-EP

SLAS598A – NOVEMBER 2008 – REVISED JULY 2009 ................................................................................................................................................... www.ti.com

The TLV2556 is characterized for operation from TA = –55°C to 125°C.

ORDERING INFORMATION(1)

TA

PACKAGE(2)

ORDERABLE PART NUMBER

TOP-SIDE MARKING

–55°C to 125°C

TSSOP – PW

Reel of 2000

TLV2556MPWREP

TL2556EP

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2)

Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

Functional Block Diagram

2

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Product Folder Link(s): TLV2556-EP