PRELIMINARY DATA

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

Rev 2

July 2005

CD00061065

1/23

23

STA543SA

24W x 1 + 7W x 2

Triple Amplifier with DC Volume Control

Features

THD = 10%

SINGLE CHANNEL

COUNT:

– NO BOOTSTRAP CAPACITORS

– NO BOUCHEROT CELLS

– INTERNALLY FIXED GAIN (20dB SE,

26dB BTL)

OPERATIONS

–CLIP DETECTOR

–OUT TO GND SHORT

– OUT TO VS SHORT

– SOFT SHORT AT TURN-ON

– THERMAL SHUTDOWN PROXIMITY

Protections

SOFT THERMAL LIMITER

Description

The device is a class AB Audio amplifier

assembled in the Clipwatt19 package; it is

designed for high quality sound application.

The STA543SA is a 3-channels audio amplifier

with DC volume control dedicated for each single

channel. It is a device suitable for 2.1 solution

thank to its output configuration with two single

ended channels and one bridge. The Short Circuit

Protection, the

Thermal Protection and

the

Diagnostics Functions are integrated in the

device.

Order codes

Clipwatt 19

Part number

Temp range,

°C

Package

Packing

STA543SA

0 to 70

Clipwatt 19

Tube

www.st.com