4

®

DAC7624/7625

1

2

3

4

5

6

7

8

9

10

11

12

13

14

V

REFH

V

OUTB

V

OUTA

V

SS

GND

RESET

LDAC

(LSB) DB0

DB1

DB2

DB3

DB4

DB5

DB6

V

REFL

V

OUTC

V

OUTD

V

DD

NIC

CS

A0

A1

R/W

DB11 (MSB)

DB10

DB9

DB8

DB7

28

27

26

25

24

23

22

21

20

19

18

17

16

15

DAC7624

DAC7625

1

2

3

4

5

6

7

8

9

10

11

12

13

14

V

REFH

V

OUTB

V

OUTA

V

SS

GND

RESET

LDAC

(LSB) DB0

DB1

DB2

DB3

DB4

DB5

DB6

V

REFL

V

OUTC

V

OUTD

V

DD

NIC

CS

A0

A1

R/W

DB11 (MSB)

DB10

DB9

DB8

DB7

28

27

26

25

24

23

22

21

20

19

18

17

16

15

DAC7624

DAC7625

Top View

DIP

SOIC

PIN DESCRIPTIONS

PIN CONFIGURATIONS

PIN

NAME

DESCRIPTION

Reference Input Voltage High. Sets maximum output voltage for all DACs.

DAC B Voltage Output.

DAC A Voltage Output.

Negative Analog Supply Voltage, 0V or –5V.

5

GND

Ground.

6

RESET

when LOW.

7

LDAC

Load DAC Input. All DAC Registers are transparent when LOW.

8

DB0

Data Bit 0. Least significant bit of 12-bit word.

9

DB1

Data Bit 1

10

DB2

Data Bit 2

11

DB3

Data Bit 3

12

DB4

Data Bit 4

13

DB5

Data Bit 5

14

DB6

Data Bit 6

15

DB7

Data Bit 7

16

DB8

Data Bit 8

17

DB9

Data Bit 9

18

DB10

Data Bit 10

19

DB11

Data Bit 11. Most significant bit of 12-bit word.

20

R/W

Read/Write Control Input (read = HIGH, write = LOW).

21

A1

Register/DAC Select (C or D = HIGH, A or B = LOW).

22

A0

Register/DAC Select (B or D = HIGH, A or C = LOW).

23

CS

Chip Select Input.

24

NIC

Not Internally Connected. Pin has no internal connection to the device.

25

Positive Analog Supply Voltage, +5V nominal.

26

DAC D Voltage Output.

27

DAC C Voltage Output.

28

Reference Input Voltage Low. Sets minimum output voltage for all DACs.