APA2057A Datasheet, PDF (19/31 Pages) Anpec Electronics Coropration – 2.4W Stereo Audio Power Amplifier (with Gain Setting) & Capfree Headphone Driver

APA2057A
Block Diagram
INR_A
ROUT+
INL_A
Internal gain
setting
ROUT-
LOUT+
SET
AMP_EN
HP_EN
INR_H
INL_H
CVDD
CP+
CP-
CGND
* The internal Rf's value has
10% variation by process
SET
SPK EN
HP EN
R_{f(HP_R)}
*40kΩ
R_{f(HP_L)}
*40kΩ
LOUT-
BIAS
HP_R
HP_L
Charge
Pump
CVSS
Power Mamagement
HVDD
PVDD
VDD
HVSS ^PGND
GND
Copyright © ANPEC Electronics Corp.
19
Rev. A.1 - Aug., 2007
www.anpec.com.tw