AD2S44

Data Sheet

Rev. B | Page 6 of 12

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

32

31

30

29

28

27

26

25

24

23

22

21

20

19

15

16

18

17

DB9

DB10

DB11

DB14 (LSB)

DB13

DB12

DB8

DB6

DB5

DB4

DB1 (MSB)

DB2

DB3

OE

A/B

BIT

S3 (A)

GND

S3 (B)

S4 (A)

S4 (B)

S1 (A)

S1 (B)

S2 (A)

S2 (B)

DB7

AD2S44

TOP VIEW

(Not to Scale)

Figure 2. Pin Configuration

Table 3. Pin Function Descriptions

Pin No.

Mnemonic

Description

1 to 7

DB8 to DB14 (LSB)

Parallel Output Data Bits.

8

OE

Output Enable Input.

9

A/B

Channel A or Channel B Select Input.

10

BIT

Built-In Test Error Output.

11

Input Pin for Channel A Reference Low.

12

Input Pin for Channel A Reference High.

13 to 16

S4 (A) to S1 (A)

Channel A Input Signal.

17 to 20

S1 (B) to S4 (B)

Channel B Input Signal.

21

Input Pin for Channel B Reference High.

22

Input Pin for Channel B Reference Low.

23

GND

Power Supply Ground. This pin is electrically connected to the case.

24

Negative Power Supply.

25

Positive Power Supply.

26 to 32

DB1 (MSB) to DB7

Parallel Output Data Bits.