BH3856FS datasheet(5/16 Pages) ROHM

номер детали	BH3856FS

подробное описание детали	2-wire serial sound control IC

PDF	16 Pages

Scroll/Zoom	100%

производитель	ROHM [Rohm]

домашняя страница	http://www.rohm.com

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5 / 16 page

BH3856S / BH3856FS

Audio ICs

Symbol

Pin voltage

Equivalent Circuit

Description

4.5V

TVO1

TVO2

OUT1

OUT2

Main volume output pin.

OUT1 is the volume output for Channel 1.

OUT2 is the volume output for Channel 2.

VC1

VC2

Pin for high band filter connection.

For prevention of shock noise during

step switching.

SC : Surround pin

BC : Bass pin

TC : Treble pin

VC1 : Volume pin (Channel 1)

VC2 : Volume pin (Channel 2)

25k

Ω

A_GND

9pin

24pin

VCC

A_GND

VCC

10pin

24pin

A_GND

VCC

12pin

19pin

20pin

22pin

21pin

Digital

VREF

VCC

A_GND

D_GND

Power supply voltage pin.

Analog GND pin. Connected to IC board.

Digital GND pin. Separate from Analog GND pin.

Vref

3.8V

SDA

SCL

SASS

· I2C bass input pin

SDA : serial data line

SCL : serial clock line

· Slave address selection pin

SASS: slave address selection switch

3.8V regulator output pin.

Output requires capacitor for stopping

oscillation. Output pin has built-in precharge

and discharge circuits, so there is no problem

with start-up or shut-down even with a large

capacitor. This pin is for connection to the

high-band filter.

A_GND

VCC

18pin

A_GND

VCC

13pin

15pin

17pin

Ω

∗The pin numbers are for the BH3856S.

−

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