SM7511 Datasheet, PDF (9/23 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.
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