PA3202 查看數據表（PDF） - Unisonic Technologies

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PA3202

2-W STEREO AUDIO POWER AMPLIFIER WITH MUTE

Unisonic Technologies 

PA3202

„ TYPICAL APPLICATION CIRCUIT

CMOS IC

CIRLINE RIR LINE

1µF 10KΩ

RLINEIN

CIRHP

1µF

RIRHP

10KΩ

RHPIN

RBYPASS

CBR

0.1µF

System MUTE IN

Control

MUTE OUT

see Note 1 SHUTDOWN

CILHP

1µF

RILHP

10KΩ

CILLINE

1µF

RILLINE

10KΩ

LBYPASS

CBL

1µF

LHPIN

LLINEIN

RFRHP

10KΩ

RFRLINE

50KΩ

CFRLINE

5pF

Right

MUX

Logic

Control

Left

MUX

Bias,

Thermal

Shutdown

ROUT+

ROUT-

RVDD

CSR

VDD

0.1µF

100KΩ

(see Note 2)

SE/BTL

100KΩ

HP/LINE

0.1µF

COUTR

330µF

1KΩ

LVDD

CSR

VDD

0.1µF

(see Note 2)

1KΩ

COUTL

330µF

LOUT+

LOUT-

RFLLINE

50KΩ

CFLLINE

5pF

RFLHP

10KΩ

Note:1. This connection is for ultra-low current in shutdown mode.

2. A 0.1 μF ceramic capacitor should be placed as close as possible to the IC. For filtering lower-

frequency noise signals, a larger aluminum electrolytic capacitor of 10 μF or greater should be

placed near the audio power amplifier.

PA3202 Full Configuration Application Circuit

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

7 of 11

QW-R502-106.C

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