SM7511 查看數據表（PDF） - Samhop Mircroelectronics
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SM7511 Datasheet PDF : 23 Pages
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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.
1
PGND
Cs
2
ROUT-
Power Supply
Ci
Right HP
Audio Source
Right Line
Ci
Audio Source
Ci
VDD
Cs
3
PVDD
4
RHPIN
5
RLINEIN
6
RIN
7
VDD
Ci
8
LIN
Left Line
Audio Source
Left HP
Audio Source
Power Supply
Ci
Ci
Cs
9
LLINEIN
10
LHPIN
11
PVDD
12
LOUT-
ROUT+ 24
SE/BTL 23
HP/LINE 22
VOLUME 21
SEDIFF 20
SEMAX 19
AGND 18
BYPASS 17
16
FADE
15
SHUTDOWN
14
LOUT+
13
PGND
VDD
100kΩ
100kΩ
In From DAC
or
Potentiometer
(DC Voltage)
C(BYP)
System
Control
Right
Speaker
Cc
1kΩ
Headphones
1kΩ
Cc
Left
Speaker
Figure 1. SM7511 Application Circuit Using Single-Ended Inputs and Input MUX
Page 8
V.1.3 Revised April 02,2007
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