LV4991TH 查看數據表（PDF） - SANYO -> Panasonic
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LV4991TH Datasheet PDF : 11 Pages
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LV4991TH
Block Diagram and Sample Application Circuit
from CPU
from CPU
C4
1µF 1 VREF
VCC
2
R4 CNT
10kΩ
CONTROL
3
R3 STBY
10kΩ
OUT2
4
BIAS
AMP2
5 GND
INPUT
AMP1
8
IN
7
VCC
OUT1 6
C3
0.33µF
R1
22kΩ
R2
22kΩ
C2
0.1µF
+ C1 VCC
2.2µF
Test Circuit
SPEAKER
VCNT
VSTBH
1µF
1 VREF
10kΩ
2 CNT
10kΩ
VSTBL
3 STBY
4 OUT2
5 GND
IN 8
VCC 7
OUT1 6
620Ω
VIN
0.33µF
22kΩ
22kΩ
0.1µF
+
2.2µF VCC
RADIATOR
FIN
8Ω
No.A0743-4/11
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