
PA3212
BLOCK DIAGRAM
RHPIN
RLINEIN
GAIN0
GAIN1
RIN
R
MUX
Volume
Control
Depop
Circuitry
Volume
Control
LHPIN
LLINEIN
L
MUX
Volume
Control
LIN
PC-BEEP
SE/BEL
HP/LINE
PC
Beep
MUX
Control
Volume
Control
Power
Management
CMOS IC
ROUT+
ROUT–
PVDD
VDD
BYPASS
SHUTDOWN
GND
LOUT+
LOUT–
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-310.A