APA2030/2031
Typical Application Circuit
(f
(for APA2030 using SE input signal)
VDD
0Ω
100µF
0.1µF
VDD
GND
PVDD
0.47µF
LLINEIN
LHPIN
L-LINE
MUX
LOUT+
L-HP
0.47µF
220µF
1kΩ
0.47µF
0.47µF
LIN+
BYPASS
Vbias
Control
Pin
Ring
4Ω
SE/BTL
Signal
GAIN0
GAIN1
LOUT-
Sleeve
Tip
Headphone
Jack
Gain
selectable
0.47µF
RLINEIN
RHPIN
R-LINE
MUX
ROUT+
R-HP
0.47µF
220µF
0.47µF
RIN+
1kΩ
HP/LINE
HP/LINE
Control Signal
HP/LINE
SE/BTL
VDD
100kΩ
Vbias
100kΩ
SE/BTL
4Ω
SE/BTL Signal
ROUT-
SHUTDOWN
PCBEEP
Shutdown
ckt
Shutdown Signal
BEEP Signal
PC-BEEP
ckt
0.47µF
APA2030AppCkt
APA 2030
Copyright ANPEC Electronics Corp.
8
www.anpec.com.tw
Rev. A.2 - Apr., 2004
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
