MAX520ACAP Просмотр технического описания (PDF) - Maxim Integrated

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MAX520ACAP

Quad/Octal, 2-Wire Serial 8-Bit DACs with Rail-to-Rail Outputs

Maxim Integrated 

Quad/Octal, 2-Wire Serial 8-Bit DACs

with Rail-to-Rail Outputs

______________________________________________________________Pin Description

PIN

MAX520

MAX521

DIP/SO

SSOP

DIP

SO/SSOP

1

1

1

1

2

2

2

2

3

3

3

3

4

5

4

4

—

4, 7, 14, 17

—

7, 9, 16, 20

6

8

5

5

5

6

6

6

7

9

7

8

8

10

8

10

—

—

9

11

—

—

10

12

—

—

11

13

—

—

12

14

9

11

13

15

10

12

14

17

11

13

—

—

12

15

15

18

—

—

16

19

13

16

17

21

14

18

18

22

15

19

19

23

16

20

20

24

NAME

FUNCTION

OUT1

OUT0

REF1

REF0

N.C.

DGND

AGND

SCL

SDA

OUT4

OUT5

OUT6

OUT7

AD0

AD1

AD2

VDD

REF4

REF3

REF2

OUT3

OUT2

DAC1 Voltage Output

DAC0 Voltage Output

Reference Voltage Input for DAC1

Reference Voltage Input for DAC0

No Connect—not internally connected

Digital Ground

Analog Ground

Serial Clock Input

Serial Data Input

DAC4 Voltage Output

DAC5 Voltage Output

DAC6 Voltage Output

DAC7 Voltage Output

Address Input 0; sets IC’s slave address

Address Input 1; sets IC’s slave address

Address Input 2; sets IC’s slave address

Power Supply, +5V

Reference Voltage Input for DACs 4, 5, 6, and 7

Reference Voltage Input for DAC3

Reference Voltage Input for DAC2

DAC3 Voltage Output

DAC2 Voltage Output

SDA

tSU, DAT

tLOW

tHD, DAT

tSU, STA

tHD, STA

tBUF

tSU, STO

SCL

tHD, STA

START CONDITION

tHIGH

tR

tF

Figure 1. 2-Wire Serial-Interface Timing Diagram

REPEATED START CONDITION

STOP CONDITION START CONDITION

_______________________________________________________________________________________ 9

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