APA2180 Ver la hoja de datos (PDF) - Anpec Electronics

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componentes Descripción

Fabricante

APA2180

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

Anpec Electronics 

APA2180

Operating Waveforms (Cont.)

GSM Power Supply Rejection vs. Time

1

VDD

V LOUT

2

V ROUT

3

VDD=3.6V, RL=32Ω

CH1: VDD, 200mV/Div, DC, Offset=3.6V

CH2: VLOUT, 20mV/Div, DC

CH3: VROUT, 20mV/Div, DC

TIME:2ms/Div

Pin Description

PIN

WLCSP

1.6x1.6-12

A1

NO.

TDFN3x3-12

11

A2

10

A3

9

A4

8

B1

12

B2

3

B3

7

B4

6

C1

1

C2

2

C3

4

C4

5

NAME

CVSS

CPN

PGND

CPP

VSS

SDN

GND

VDD

LOUT

ROUT

LIN

RIN

I/O/P

FUNCTION

O Charge pump output, connect to the “VSS”.

I/O Charge pump flying capacitor negative connection.

P

Charge pump’s ground.

I/O Charge pump flying capacitor positive connection.

P

Headphone driver negative power supply.

I

Shutdown mod control input signal, pull low for shutdown

headphone driver.

P

Ground connection for circuitry.

P

Supply voltage input pin.

O Left channel output for headphone.

O Right channel output for headphone.

I

Left channel input terminal.

I

Right channel input terminal.

Copyright © ANPEC Electronics Corp.

11

Rev. A.3 - Dec., 2012

www.anpec.com.tw

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