BH3856 데이터 시트보기 (PDF) - ROHM Semiconductor

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BH3856

2-wire serial sound control IC

ROHM Semiconductor 

Audio ICs

BH3856S / BH3856FS

!Pin descriptions

Pin No.

BH3856S BH3856FS

1

1

2

2

3

3

4

4

5

6

6

7

7

8

8

9

9

10

10

11

11

12

13

13

14

15

15

16

16

17

17

18

18

19

19

20

20

21

21

22

22

23

23

24

24

25

25

26

26

27

27

28

28

30

29

31

30

32

12

5, 14, 29

Pin name

A_GND

IN1

BVN1

BIN1

BVO1

TVN1

TIN1

TVO1

OUT1

VCC

SC

SDA

SCL

D_GND

SASS

Vref

BC

TC

VC2

VC1

OUT2

TVO2

TIN2

TVN2

BVO2

BIN2

BVN2

IN2

FILTER

N.C.

Function

Analog ground

Channel 1 volume input

Channel 1 bass filter

Channel 1 bass filter

Channel 1 bass filter

Channel 1 treble filter

Channel 1 treble filter

Channel 1 treble filter

Channel 1 volume output

Power supply

Time constant pin for prevention of switching shock

SDA data input pin

SCL data input pin

Digital ground

Slave address selection pin

Reference voltage output

Time constant pin for prevention of switching shock

Time constant pin for prevention of switching shock

Time constant pin for prevention of switching shock

Time constant pin for prevention of switching shock

Channel 2 volume output

Channel 2 treble filter

Channel 2 treble filter

Channel 2 treble filter

Channel 2 bass filter

Channel 2 bass filter

Channel 2 bass filter

Channel 2 volulme input

Filter

Not connected internally.

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