參數(shù)資料
型號: LA4446
元件分類: 音頻/視頻放大
英文描述: 5.5 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM13
封裝: SIP-13
文件頁數(shù): 3/8頁
文件大小: 104K
代理商: LA4446
LA4446
No.2636-3/8
Block Diagram
Sample Application Circuit
13
11
12
2
1
9
8
7
6
5
10
4
3
NF2
NF1
IN1
DC
IN2
Preamplifier
GND
BS1
CUT1
BS2
CUT2
VCC
Power amplifier GND
Input
amplifier 1
Ripple filter
circuit
Impulse noise
protection circuit
Pin-to-pin shorting
protection circuit
Overvoltage surge
protection circuit
Output
amplifier 1
Driver
amplifier 1
Input
amplifier 2
Output
amplifier 2
Driver
amplifier 2
Overvoltage surge
protection circuit
Thermal shutdown
protection circuit
Thermal shutdown
protection circuit
Pin-to-pin shorting
protection circuit
LA4446
(VG = 51.5dB)
+
13
input 1
12
C2
47
μF/6.3V
C1
47
μF/6.3V
1
3
+
C9
220
μF/16V
C4
100
μF/10V
C8
1000
μF/10V
C10
1000
μF/16V
C7
1000
μF/10V
C3
100
μF/10V
2
4
+
5
input 2
8
9
7
6
4
RL
4
+
C5
*0.1
μF
RL
4
VCC
*polyester film capacitor
+
R1
4.7
Ω
C6
*0.1
μF
R1
4.7
Ω
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