9

10

Analog Negative Power Supply, -5V.

11

Analog Positive Power Supply, +5V.

12

AGND

Analog Ground.

13

Analog Negative Power Supply, -5V.

14

A0

Output Byte Control Input, active low. When low, data is presented as a 12-bit word or the upper byte (D11 - D4) in 8-bit

mode. When high, the second byte contains the lower LSBs (D3 - D0) with 4 trailing zeroes. See Text.

15

CS

Chip Select Input, active low. Dominates all control inputs.

-

NC

No Connection.

16

OE

Output Enable Input, active low.

17

CONV

Convert Start Input. Initiates conversion on the falling edge. If held low, continuous conversion mode overrides and

remains in effect until the input goes high.

18

Digital Negative Power Supply, -5V.

19

DGND

Digital Ground.

20

Digital Positive Power Supply, +5V.

21

Analog Positive Power Supply, +5V.

22

D0

Data Bit 0, (LSB).

23

D1

Data Bit 1.

24

D2

Data Bit 2.

25

D3

Data Bit 3.

-

NC

No Connection

26

D4

Data Bit 4.

27

D5

Data Bit 5.

28

D6

Data Bit 6.

29

D7

Data Bit 7.

30

Analog Negative Power Supply, -5V.

31

AGND

Analog Ground.

32

DGND

Digital Ground.

33

Digital Positive Power Supply, +5V.

34

D8

Data Bit 8.

35

D9

Data Bit 9.

-

NC

No Connection.

36

D10

Data Bit 10.

37

D11

Data Bit 11 (MSB).

38

Analog Positive Power Supply, +5V.

39

OVF

Overflow Output. Active high when either an overrange or underrange analog input condition is detected.

40

IRQ

Interrupt ReQuest Output. Goes low when a conversion is complete.

PIN #

SYMBOL

PIN DESCRIPTION

HI5800