PA3212L(2020) 查看數據表（PDF） - Unisonic Technologies
零件编号
产品描述 (功能)
生产厂家
PA3212L
(Rev.:2020)
(Rev.:2020)
Unisonic Technologies
PA3212L Datasheet PDF : 9 Pages
| |||
PA3212
TYPICAL APPLICATION CIRCUITS
CMOS IC
Right Head−phone
Input Signal
RHPIN 20
CIRHP
0.47µF
Right Line
Input Signal
PC-BEEP
Input Signal
RLINEIN 23
CIRLINE
0.47µF
RIN 8
CRIN
0.47µF
PC-BEEP 14
CPCB
0.47µF
Left Head−phone
Input Signal
LHPIN 6
CILHP
0.47µF
Left Line
LLINEIN 5
Input Signal
CILLINE
0.47µF
LIN 10
CLIN
0.47µF
GAIN0
2, 3 GAIN1
17 HP/LINE
15 SE/BEL
21 ROUT+
16 ROUT-
1KΩ
100KΩ
VDD
COUTR:330µF
100KΩ
VDD VDD
18 PVDD
See Note A
19 VDD
CSR:0.1µF
11 BYPASS
CSR:0.1µF
CBYP:0.47µF
22 SHUTDOWN
To System Control
1, 12,
13, 24 GND
4 LOUT+
9 LOUT-
1KΩ
COUTL
330µF
A 0.1-μF ceramic capacitor should be placed very close to the IC.
A larger electrolytic capacitor of 10 μF or greater should be placed near the audio power
amplifier for filtering lower frequency noise signals, .
Typical PA3212 Application Circuit Using Single-Ended Inputs and Input MUX
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 9
QW-R502-310.B
Share Link: