ICL7109 - ICL7109 12-Bit Microprocessor Compatible A/D Converter Datasheet - Buy ICL7109

Pin Number

Description

1

GND - Digital Ground

2

STATUS - Status of Analog Conversion

3

POL - Polarity

4

OR - Overrange

5

B12 - Output Bit (Most Significant)

6

B11 - Output Bit

7

B10 - Output Bit

8

B9 - Output Bit

9

B8 - Output Bit

10

B7 - Output Bit

11

B6 - Output Bit

12

B5 - Output Bit

13

B4 - Output Bit

14

B3 - Output Bit

15

B2 - Output Bit

16

B1 - Output Bit (Least Significant)

17

TEST - Test Function

18

LBEN - Low Byte Enable

19

HBEN - High Byte Enable

20

CE/LOAD - Chip Enable Load

21

MODE - See Data Sheet

22

OSC IN - Oscillator Input

23

OSC OUT - Oscillator Output

24

OSC SEL - Oscillator Select

25

BUF OSC OUT - Buffered Oscillator Output

26

RUN/HOLD - A/D Conversion

27

SEND - Data Send Signal Input

28

V- - Analog Negative Supply

29

REF OUT - Reference Voltage Output

30

BUFFER - Buffer Amplifier Output

31

AUTO-ZERO - Auto-Zero Node

32

INTEGRATOR - Integrator Output

33

COMMON - Analog Common

34

INPUT LO - Differential Input Low

35

INPUT HI - Differential Input High

36

REF IN + - Differential Input Reference (Positive)

37

REF CAP + - Reference Capacitor (Positive)

38

REF CAP - - Reference Capacitor (Negative)

39

REF IN - - Differential Input Reference (Negative)

40

V+ - Positive Supply Voltage