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參數資料
| 型號： | BH3874AKS2 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | SPDT SUBMINIATURE POWER RELAY |
| 中文描述： | 聲音處理器IC |
| 文件頁數： | 1/25頁 |
| 文件大小： | 261K |
| 代理商： | BH3874AKS2 |
BH3874AKS2
Audio ICs
Sound processor IC
BH3874AKS2
The BH3874AKS2 is a sound control IC for mini-component stereo. 4-ch input selector, vocal fade, volume, surround, 5-
band graphic equalizer, dynamic bass, and 5-band spectrum analyzer are integrated into a single chip. Soft switch can
reduce the switching noise occurred when volume, vocal fade, surround, and dynamic bass are switched.
!
Applications
Mini component stereo, Micro component stereo, CD radio cassette players, and TV.
!
Features
1) A single chip IC integrates all functions of volume, tone control, and spectrum analyzer.
2) Soft switching can reduce the noise occured when volume, mode selector, surround, dynamic bass, and gain of
graphic equalizer are switched.
3) 4-ch input selector, mode selector, volume, surround, graphic equalizer, dynamic bass, and spectrum analyzer.
4) Built-in matrix surround, pseudo stereo circuit, and band pass filter for spectrum analyzer.
5) Low distortion and low noise due to the BiCMOS process adopting resistance ladder volume.
6) Filters of dynamic bass and biamp can be set freely by the combination of LPF and HPF.
!
Absolute maximum ratings
(Ta=25
°
C)
Parameter
Symbol
Limits
Unit
Power supply voltage
V
CC
10.0
1200
V
Power dissipation
Pd
mW
Operating temperature range
Topr
12 to +85
55 to +125
°
C
°
C
Storage temperature range
Tstg
Reduced by 12mW for each increase in Ta of 1
°
C over 25
°
C.
A standard board, 70
×
70
×
1.6mm, shall be mounted.
!
Recommended operating conditions
(Ta=25
°
C)
Parameter
Power supply voltage
V
CC
8.0
9.5
V
Symbol
Min.
Typ.
Max.
Unit
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