Quad, Serial 8-Bit DACs

with Rail-to-Rail Outputs

______________________________________________________________________________________

19

DAC A

DAC B

DAC C

DAC D

MAX510

OUTA

OUTB

OUTC

OUTD

SERIAL

INTERFACE

NOT SHOWN

REFERENCE INPUTS

2

1

16

15

+5V

13

414

3

AGND OR -5V

6

AGND

DGND

5

*CONNECT ICL7612A PIN 8 TO AGND

+5V

0.1

µF

0.1

µF

R1

0.1

µF

R2

-5V

+5V

R1

R2

0.1

µF

0.1

µF

-5V

0.1

µF

ICL7612A*

ICL7612A*

Figure 17. MAX510 Bipolar Output Circuit

TOP VIEW

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

OUTC

OUTD

REFCD

REFAB

OUTA

OUTB

MAX510

CS

SCLK

DIN

CLR

DOUT

LDAC

DGND

AGND

DIP/Wide SO

____Pin Configurations (continued)

MAX509

OUTA

DAC A

DAC B

DAC C

DAC D

REFA

REFB

DAC

REG A

DECODE

CONTROL

INPUT

REG A

DAC

REG B

INPUT

REG B

DAC

REG C

INPUT

REG C

DAC

REG D

INPUT

REG D

12-BIT

SHIFT

REGISTER

SR

CONTROL

CS DIN SCLK

REFC

REFD

OUTB

OUTC

OUTD

DOUT

LDAC

CLR

AGND

__Functional Diagrams (continued)