APA2181DHAI-TRG Ver la hoja de datos (PDF) - Anpec Electronics

Número de pieza

componentes Descripción

Fabricante

APA2181DHAI-TRG

Low Supply Current, 50mW Stereo Cap-Free Headphone Driver

Anpec Electronics 

APA2181

Pin Description

PIN

NO.

NAME

A1

VOUT

A2

CPN

A3

PGND

A4

CPP

B1

VSS

B2

SDN

B3

GND

B4

VDD

C1

LOUT

C2

ROUT

C3

LIN

C4

RIN

I/O/P

O

I/O

P

I/O

P

I

P

P

O

O

I

I

FUNCTION

LDO (Low Drop-Out Regulator)’s output pin.

Charge pump flying capacitor negative connection.

Charge pump’s ground.

Charge pump flying capacitor positive connection.

Headphone driver negative power supply.

Shutdown mod control input signal, pull low for shutdown headphone driver.

Ground connection for circuitry.

Supply voltage input pin.

Left channel output for headphone.

Right channel output for headphone.

Left channel input terminal.

Right channel input terminal.

Block Diagram

RIN

GND

ROUT

LIN

LOUT

LDO

VOUT

SDN Shutdown

Circuit

Power

and

Depop

Circuit

Charge

Pump

CPP

CPN

PGND VDD VSS

Copyright © ANPEC Electronics Corp.

12

Rev. A.2 - Apr., 2010

www.anpec.com.tw

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