SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH UP / DOWN GAIN CONTROL
APPLICATION INFORMATION
The figure is schematic diagram of typical for car multimedia system application circuit.
Right
Speaker
Cc
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
RPGND
ROUT+
ROUT-
PVDD
Cs
VDD
Power Supply
100kΩ
1kΩ
100kΩ
Ci
SE/BTL
RLINEIN
VDD
Right Audio Input
VDD
Cs
VDD
VDD
UP
Headphones
Ci
DOWN
LLINEIN
LPVDD
LOUT-
LPGND
Left Audio Input
Power Supply
Cc
C(BYP)
1kΩ
BYPASS
SHUTDOWN
LOUT+
System
Control
Left
Speaker
Figure 1. SM7513 Using stereo line inputs application circuit
Page 6
V.1.0 Apr 30,2007