la4809m Sanyo Semiconductor Corporation, la4809m Datasheet - Page 4

• Manufacturer Part Number: la4809m
• Description: Monolithic Linear Ic Stereo Headphone Amplifier
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram and Sample Application Circuit
Test Circuit Diagram
Vin2
Vin1
12
1
IN2
IN1
SG
*Output power limiter setting
S12
S11
Pin 10 open
Pin 10 gnd
NC
11
2
Vref = Vrf
RF
Vrf
IN2
IN1
12
1
from CPU
620Ω
620Ω
0.1μF
0.1μF
BIAS
10
3
P O max = 160mW
P O max = 55mW
PLS
STBY
NC
RF
11
2
2.2μF
9
4
OUT2
OUT1
+
-
+
-
STBY
PLS
LA4809M
10
3
S1
Vstby
NC
NC
8
5
OUT2
OUT1
+
9
4
+
Load resistance
16Ω
Load resistance
16Ω
+
+
100μF
100μF
REG
7
6
GND
V CC
NC
NC
8
5
V OUT 2
V OUT 1
GND
V CC
7
6
1μF
V CC
GND
V CC
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