LA42071 SANYO [Sanyo Semicon Device], LA42071 Datasheet - Page 3

• Manufacturer Part Number: LA42071
• Description: Monolithic Linear IC 5W 2-Channel AF Power Amplifier With DC Volume Control
• Manufacturer: SANYO [Sanyo Semicon Device]

Block Diagram
Sample Application Circuit
47µF
/25V
C3
Ripple
Filter
+
1
+
IN1
2
Volume 1 13
Volume 2 6
1.0µF
/10V
C1
GND
IN1 2
Pre
IN2 4
GND
PRE
3
3
20kΩ
20kΩ
Ri =
Ri =
+
IN2
4
1.0µF
/10V
C2
Input amplifier
Input amplifier
CPU
STB
5
10kΩ
R3
Standby
Vol 2
LA42352
5
Thermal protection
6
LA42352
+5V
Ripple Filter
circuit
Ripple
Block
V CC
Filter
7
1
1000µF
0.1µF
/25V
2.2Ω
C4
C7
R1
+
Output amplifier
Output amplifier
OUT2
8
47µF
/16V
470µF
+
C9
/16V
V CC
C5
7
NF2
+
9
R L
PWR
GND
10
R L
12
10
11
8
9
NF1
+
11
OUT1
NF1
Power
GND
OUT2
NF2
470µF
/16V
47µF
/16V
C10
C6
+
OUT1
12
0.1µF
2.2Ω
C8
R2
No.A0078-3/9
Vol 1
13
+5V