参数资料
型号: LA42031
厂商: SANYO SEMICONDUCTOR CO LTD
元件分类: 音频/视频放大
英文描述: 5 W, 1 CHANNEL, AUDIO AMPLIFIER, SFM13
封装: SIP-13
文件页数: 3/7页
文件大小: 76K
代理商: LA42031
LA42031
No.A0394-3/7
Block Diagram
Test Circuit
* LA42031 employs the zero-bias type input circuit, with the input pin potential being nearly zero (about 0.01V).
Accordingly, the polarity must be determined according to the DC potential of a circuit connected to the previous stage
of LA42031.
Ripple
Filter
Input amplifier
Output amplifier
VCC/ground shorting protection circuit
Load shorting protection circuit
Thermal protection circuit
VCC
Standby
MUTE
IN
PRE
GND
PWR
GND
+OUT2
-OUT2
1
7
5
10
6
3
4
8
9
Ri=
30k
Ω
N.C.
Ripple
Filter
PRE
GND
PWR
GND
IN
STBY MUTE
+OUT
N.C.
-OUT
N.C.
VCC
+
1
2
3
4
5
6
7
8
9
10
11
12
13
C4
1000
μF
/16V
C3
10
μF
/10V
C1
4.7
μF
/10V
C2
47
μF
/16V
+5V
C5
0.1
μF
RL
R4
2.2
Ω
R1
15k
Ω
C6
0.1
μF
R5
2.2
Ω
LA42031
*
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