bh3856fs ROHM Co. Ltd., bh3856fs Datasheet - Page 4

• Manufacturer Part Number: bh3856fs
• Description: 2-wire Serial Sound Control Ic
• Manufacturer: ROHM Co. Ltd.

Audio ICs
    Input / output circuits
FILTER
Symbol
BVO1
BVO1
BVN1
BVN2
TVN1
TVN2
BIN1
BIN2
TIN1
TIN2
IN1
IN2
Pin voltage
4.5V
4.5V
4.5V
4.5V
4.5V
4.5V
4.5V
4.5V
5.2V
4.5V
4.5V
4.5V
4.5V
A_GND
8pin
25pin
A_GND
V
V
A_GND
V
4pin
28pin
A_GND
V
V
6pin
27pin
A_GND
V
2pin
31pin
A_GND
V
A_GND
CC
CC
CC
CC
CC
CC
CC
Equivalent circuit
2/1V
47kΩ
CC
2/1V
2/1V
7pin
26pin
2.1kΩ
CC
50kΩ
3pin
30pin
5.1kΩ
CC
32pin
25kΩ
50kΩ
30kΩ
30kΩ
Main volume input pin.
Designed for input impedance of 47kΩTyp.).
Pin for low band filter connection.
Pin for low band filter connection.
Pin for low band filter connection.
Filter input pin.
Please install a capacitor of about 10µF to
the filter pin.
Has built-in precharge and discharge circuits.
Pin for high band filter connection.
Pin for high band filter connection.
BH3856S / BH3856FS
∗
Description
The pin numbers are for the BH3856S.