APA2177 查看數據表（PDF） - Anpec Electronics

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产品描述 (功能)

生产厂家

APA2177

25mW Stereo Cap-Free Headphone Driver

Anpec Electronics 

APA2177

Typical Application Circuit

Differential Input

ROUT-

ROUT+

AUDIO

DAC

LOUT-

LOUT+

Shutdown Control

Gain Control

HI-Z Control

Ci1 0.68µF

RIN-

RIN+

Ci2 0.68µF

Ci3 0.68µF

LIN-

LIN+

Ci4 0.68µF

Resistor

Array

Resistor

Array

SDN

GAIN

HI-Z

Control

SGND

VDD

CS

2.2µF

HPVDD

CCPB

2.2µF

ROUT

Headphone Jack

Power

and

Depop

Circuit

LOUT

GND

HPVDD

Charge

Pump

CPP

CPN

CCPF

1µF

GND

HPVSS

CCPO

1µF

Single-Ended Input

ROUT

AUDIO

DAC

LOUT

Ci1 1µF

RIN-

RIN+

Ci3 1µF

LIN-

LIN+

Resistor

Array

Resistor

Array

Shutdown Control

Gain Control

HI-Z Control

SDN

GAIN

HI-Z

Control

SGND

VDD

CS

2.2µF

HPVDD

CCPB

2.2µF

ROUT

Headphone Jack

Power

and

Depop

Circuit

LOUT

GND

HPVDD

Charge

Pump

CPP

CPN

CCPF

1µF

GND

HPVSS

CCPO

1µF

Copyright © ANPEC Electronics Corp.

12

Rev. A.3 - Nov., 2017

www.anpec.com.tw

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