ADS8322

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SBAS215A – JULY 2001 – REVISED JANUARY 2010

PIN ASSIGNMENTS

TERMINAL

NO

NAME

DESCRIPTION

1

DB15

Data Bit 15 (MSB)

2

DB14

Data Bit 14

3

DB13

Data Bit 13

4

DB12

Data Bit 12

5

DB11

Data Bit 11

6

DB10

Data Bit 10

7

DB9

Data Bit 9

8

DB8

Data Bit 8

9

DB7

Data Bit 7

10

DB6

Data Bit 6

11

DB5

Data Bit 5

12

DB4

Data Bit 4

13

DB3

Data Bit 3

14

DB2

Data Bit 2

15

DB1

Data Bit 1

16

DB0

Data Bit 0 (LSB)

17

BUSY

High when a conversion is in progress.

18

Digital Power Supply, +5VDC.

19

DGND

Digital Ground

An external CMOS-compatible clock can be applied to the CLOCK input to synchronize the conversion

20

CLOCK

process to an external source.

21

CONVST

Convert Start

22

RD

Synchronization pulse for the parallel output.

23

BYTE

Selects eight most significant bits (low) or eight least significant bits (high). Data valid on pins 9-16.

24

CS

Chip Select

25

–IN

Inverting Input Channel

26

+IN

Noninverting Input Channel

27

AGND

Analog Ground

28

Analog Power Supply, +5VDC.

29

NC

No connection

30

NC

No connection

31

Reference Output. A 0.1

μF capacitor should be connected to this pin when the internal reference is

32

used.

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