SM7512 Datasheet, PDF (8/16 Pages) SamHop Microelectronics Corp. – 3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
APPLICATION INFORMATION
The figure is schematic diagrams of typical notebook computer application circuits.
Cs
VDD
1
ROUT-
2
PVDD
Right Line
Audio Source
Ci
3
RLINEIN
VDD
Cs
4
VDD
Left Line
Audio Source
VDD
Ci
5
LLINEIN
6
LPVDD
16
RPGND
Right
Speaker
Cc
15
VDD
ROUT+
100kΩ
1kΩ
14 ^100kΩ
SE/BTL
13
VOLUME
12
GND
11
BYPASS
In From DAC
or
Potentiometer
(DC Voltage)
Headphones
C(BYP)
Cc
1kΩ
7
LOUT-
10
SHUTDOWN
System
Control
8
LPGND
9
LOUT+
Left
Speaker
Figure 1. SM7512 Application Circuit Using Single-Ended Inputs and Input MUX
Page 7
V.1.4 Revised May 28,2007