CDB3318 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CDB3318

Stereo Digital Volume Control

Cirrus Logic 

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3. TYPICAL CONNECTION DIAGRAM

CS3318

+8 V to +9V

10 µF 0.1 µF

+8 V to +9V

0.1 µF 10 µF

-8 V to -9V

-8 V to -9V

1 IN1

46 45

VA- VA+

35 36

VA+ VA-

42 IN2

39 IN3

Audio

Source

32 IN4

29 IN5

22 IN6

19 IN7

CS3318

+3.3 V

See Note

12 IN8

2 kΩ

2 kΩ

5 SCL/CCLK

Host

Controller

6 SDA/MOSI

7 AD0/CS

3 RESET

4 MUTE

OUT1 47

OUT2 44

OUT3 37

OUT4 34

OUT5 27

OUT6 24

OUT7 17

OUT8 14

ENOut 8

VD 10

DGND 9

Audio

Outputs

To Next CS3318

+3.3 V

0.1 µF

2 REFI1

41 REFI2

40 REFI3

31 REFI4

30 REFI5

21 REFI6

20 REFI7

11 REFI8

VA+ VA-

25 26

+8 V to +9V

10 µF 0.1 µF

REFO1 48

REFO2 43

REFO3 38

REFO4 33

REFO5 28

REFO6 13

REFO7 18

REFO8 13

VA- VA+

16 15

+8 V to +9V

0.1 µF 10 µF

-8 V to -9V

Note:

Resistors are required for

I²C control port operation.

Figure 3. Typical Connection Diagram

-8 V to -9V

12

DS693F1

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