APA2172 Ver la hoja de datos (PDF) - Anpec Electronics

Número de pieza

componentes Descripción

Fabricante

APA2172

Stereo, Differential Input Cap-Free Line Driver

Anpec Electronics 

APA2172

Pin Description

PIN

NO.

NAME

1

RINP

2

RINN

3

ROUT

4

GND

I/O/P

I Right channel non-inverting input.

I Right channel inverting input.

O Right channel output.

P Signal ground.

FUNCTION

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

5

SDN

I

be connect a 100Ω Protection Resistor.

6

VSS

P Headphone driver negative power supply.

7

CPN

I/O Charge pump flying capacitor negative connection.

8

CPP

I/O Charge pump flying capacitor positive connection.

9

VDD

P Supply voltage input.

10

PGND

P Power ground.

11

UVP

I Under voltage protection input. Floating or Pull “H” to disable this function.

12

LOUT

O Left channel output.

13

LINN

I Left channel inverting input.

14

LINP

I Left channel non-inverting input.

Block Diagram

RINN

RINP

LINP

LINN

Thermal

and Over

Current

Protection

ROUT

LOUT

Under Voltage

Detection Circuit

UVP

VDD

SDN

Shutdown

Circuit

Power

and

Depop

Circuit

Charge

Pump

CPP

CPN

GND PGND

VSS

Copyright © ANPEC Electronics Corp.

10

Rev. A.8 - Aug., 2013

www.anpec.com.tw

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