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ROHM Semiconductor - Dual Line Serial Control Sound Processor IC

Numéro de référence BH3865S
Description Dual Line Serial Control Sound Processor IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BH3865S fiche technique
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Video ICs
Dual-line serial control sound
processor IC
BH3865S
BH3865S
The BH3865S is a signal processing IC developed for the control of volume and tone quality in TV equipment.
Since dual-line serial control (I2C BUS) is used, the volume level and tone quality in TV equipment can be changed using
signals such as those from a microcomputer or similar device.
Note : I2C BUS is a registered trademark of Philips.
!Applications
DVDs, personal computers, high-vision TVs, karaoke sets, digital broadcasts, CATVs, and other TV equipment
!Features
1) 2-channel volume and sound quality control.
2) Absorption of volume deviation between input sources and improved S / N ratio, for better sound quality, using an
AGC circuit.
3) Control through I2C BUS serial control.
4) Internal pseudo-stereo circuit provides phase-shift matrix surround effect.
!Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Power supply voltage
Power dissipation
VCC
Pd
10.0
1250
Operating temperature
Topr
25~+75
Storage temperature
Tstg
55~+125
Reduced by 12.5mW for each increase in Ta of 1˚C over 25˚C.
Unit
V
mW
°C
°C
!Recommended operating conditions (Ta = 25°C)
Parameter
Power supply voltage
Symbol
VCC
Min.
7.0
Typ.
-
Max.
9.5
Unit
V
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