la4815m Sanyo Semiconductor Corporation, la4815m Datasheet - Page 4

• Manufacturer Part Number: la4815m
• Description: Monaural Power Amplifier
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram and Sample Application Circuit
Test Circuit
GAIN2
GAIN1
BIAS
8
1
Vbias
GAIN2
GAIN1
8
1
S2
S1
from CPU
MUTE
7
2
MUTE
GND1
MUTE
GND1
7
2
Vin
S3
+
-
V CC
0.35V
Vin
S11
Pre-
AMP
6
3
V CC
IN
Cin = 1μF
V CC
IN
6
3
1μF
620Ω
Power
AMP
0.1μF
5
4
LA4815M
OUT
PGND
PGND
OUT
5
4
CV CC = 10μF
10μF
Cosc = 0.1μF
0.047μF
+
+
220μF
Cout = 220μF
R L
8Ω
V CC
V CC
V CC
Speaker
(8Ω)
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