APA2178 datasheet(21/30 Pages) ANPEC

21 / 30 page

Rev. A.3 - Jul., 2009

www.anpec.com.tw

APA2178

NO.

MANE

I/O/P

FUNCTION

RIN

Right channel audio signal input pin.

GND

Ground connection for circuitry.

PVDD

Charge pump power supply voltage input pin.

CP+

I/O

Charge pump flying capacitor positive connection.

RSD

Right channel shutdown mode control pin. A low-level voltage applied on this

pin shuts off the right channel headphone driver.

LSD

Left channel shutdown mode control pin. A low-level voltage applied on this

pin shuts off the left channel headphone driver.

B3,C3

No Connection.

PGND

Charge pump ground.

LIN

Left channel audio signal input pin.

ROUT

Right channel output for headphone.

CP-

I/O

Charge pump flying capacitor negative connection.

VDD

Supply voltage input pin.

LOUT

Left channel output for headphone.

VSS

Connect this pin to CVSS.

CVSS

Charge pump output.

Block Diagram

Pin Description

Shutdown

Circuit

Power and

Depop Circuit

ROUT

RIN

RSD

Charge

Pump

LIN

LOUT

GND

VDD

CP+

CP-

CVSS

VSS

PGND

PVDD

LSD

GND

APA2178 データシート(PDF) 21 Page - Anpec Electronics Coropration

APA2178 データシート(HTML) 21 Page - Anpec Electronics Coropration

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

データシートダウンロード