AD1556AS View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD1556AS

24-Bit
- ADC with Low Noise PGA

Analog Devices 

PIN CONFIGURATION

28-Lead PLCC

(P-28A)

AD1555/AD1556

4 3 2 1 28 27 26

AIN(+) 5

AIN(–) 6

TIN(+) 7

TIN(–) 8

NC 9

CB0 10

CB1 11

PIN 1

AD1555

TOP VIEW

(Not to Scale)

12 13 14 15 16 17 18

25 REFIN

24 REFCAP2

23 REFCAP1

22 AGND3

21 –VA

20 –VA

19 VL

NC = NO CONNECT

(DO NOT CONNECT THIS PIN)

44-Lead MQFP

(S-44A)

44 43 42 41 40 39 38 37 36 35 34

NC 1

PGA0 2

PGA1 3

PGA2 4

PGA3 5

PGA4 6

BW0 7

BW1 8

BW2 9

H/S 10

VL 11

PIN 1

IDENTIFIER

AD1556

TOP VIEW

(Not to Scale)

33 NC

32 CLKIN

31 SYNC

30 TDATA

29 CSEL

28 NC

27 NC

26 PWRDN

25 RESET

24 DGND

23 DGND

12 13 14 15 16 17 18 19 20 21 22

NC = NO CONNECT

REV. B

–9–

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