SM7511 Datasheet, PDF (10/23 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 ( continued )
The figure is schematic diagrams of typical notebook computer application circuits.
1
PGND
Cs
2
ROUT-
Power Supply
3
PVDD
NC
Right Negative
Differential Input Signal
Right Positive
Differential Input Signal
Cs
Ci
Ci
VDD
4
RHPIN
5
RLINEIN
6
RIN
7
VDD
Left Positive
Differential Input Signal
Left Negative
Differential Input Signal
Ci
Ci
NC
8
LIN
9
LLINEIN
10
LHPIN
Power Supply
Cs
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 2. SM7511 Application Circuit Using Differential Inputs
Page 9
V.1.3 Revised April 02,2007