SC7422

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.0

2006.11.13

Http: www.silan.com.cn

Page 1 of 8

BLOCK DIAGRAM

2-CH AUDIO POWER AMPLIFIER

2W x 2

DIP-16-300-2.54

SOP-16-375-1.27

DESCRIPTION

The SC7422 is a class AB power amplifier which designed for dual

audio purpose. It can deliver 2W × 2 power output to the 4

load in the

5V operation voltage. Total harmonic distortion is lower than 0.03%. The

output mode can be switched between the SE and BTL mode. The

volume also can be changed by a 32 steps volume controller. Moreover,

the SC7422 requires a few extra components in the application. It is

suitable for small or portable products.

FEATURES

* Operation voltage : 5V

* Low harmonics distortion (THD=0.03%)

* 32 steps volume control with 1.5dB per step from -45dB to 0dB

* Two output modes (SE and BTL) switched

* Low quiescent operation current

* No POPO noise when turn on/off

* Standby function, Low standby current(Is<0.7 A)

* Thermally protected

APPLICATIONS

* LCD Monitors for TV

* Portable audio

* Multimedia audio

* Other audio applications

ORDERING INFORMATION

Device

Package

SC7422

DIP-16-300-2.54

SC7422S

SOP-16-375-1.27