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ROHM Semiconductor - 2-wire serial sound control IC

Numéro de référence BH3856S
Description 2-wire serial sound control IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BH3856S fiche technique
Audio ICs
BH3856S / BH3856FS
2-wire serial sound control IC
BH3856S / BH3856FS
The BH3856S and BH3856FS are signal processing ICs designed for volume and tone control in televisions, mini
component stereo systems, and other audio products. Their two-line serial control (I2C BUS) enables them to control
volume and tone on the basis of signals from a microcomputer, etc.
!Applications
Televisions, [Video equipped television], personal computer televisions, mini component stereo systems, car stereos.
!Features
1) I2C BUS facilitates direct serial control from a microcomputer of volume (main volume), balance (left / right), and tone
(bass, treble). DC control is also possible.
2) Volume is produced by a low-distortion, low-noise VCA. Designed to minimize step noise.
3) Stable standard voltage supply and built-in I/O buffer mean that few attachments are needed. SSOP-A32 package
designed to save space.
4) Matrix surround yields powerful sound.
!Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Power supply voltage
Power dissipation
Operating temperature
BH3856S
BH3856FS
Vcc
Pd
Topr
Storage temperature
Tstg
1 Reduced by 12mW for each increase in Ta of 1°C over 25°C.
2 Reduced by 6.8mW for each increase in Ta of 1°C over 25°C.
Limits
10.0
12001
850 2
40~+85
55~+150
Unit
V
mW
°C
°C
!Recommended operating conditions (Ta = 25°C)
Parameter
Power supply voltage
Symbol Min. Typ.
VCC 6.0 9
Max.
9.5
Unit
V
Note : I2C BUS is a registered trademark of Philips.

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