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Numéro de référence | BH3866AS | ||
Description | Dual-line serial control sound processor IC | ||
Fabricant | ROHM Semiconductor | ||
Logo | |||
Video ICs
Dual-line serial control sound
processor IC
BH3866AS
The BH3866AS 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.
•Applications
DVDs, personal computers, high-vision TVs, karaoke sets, digital broadcasts, CATVs, and other TV equipment
•Features
1) 3-channel volume and sound quality control (for
stereo and center speakers).
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
1
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Pages | Pages 25 | ||
Télécharger | [ BH3866AS ] |
No | Description détaillée | Fabricant |
BH3866AS | Dual-line serial control sound processor IC | ROHM Semiconductor |
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