Features

■ High output power capability

– 2x 38 W into 4 Ω at 18 V, 1 kHz, 10 THD

– 2x 34 W into 8 Ω at 22 V, 1 kHz, 10 THD

– 2x 24W into 4Ω at 14.4 V, 1 kHz, 10 THD

– 2x 15 W into 8 Ω at 16 V, 1 kHz, 10 THD

– 4x 13 W into 2 Ω at 15 V, 1 kHz, 10 THD

– 4x 11 W into 4 Ω at 18 V, 1 kHz, 10 THD

– 4x 7 W into 4 Ω at 14.4 V, 1 kHz, 10 THD

■ Minimum external components count:

– no bootstrap capacitors

– no Boucherot cells

– internally fixed gain 20 dB

■ Standby function (CMOS compatible)

■ No audible pop during standby operations

■ Diagnostic facilities:

– clip detector

– output to GND short-circuit detector

– output to VS short-circuit detector

– soft short-circuit check at turn-on

– thermal shutdown warning

Description

The STA540 is a 4-channel, class-AB audio

amplifier designed for high quality sound

applications.

The amplifiers have single-ended outputs with

integrated short-circuit protection, thermal

protection and diagnostic functions.

The chip is housed in the 15-pin Multiwatt

ECOPACK® Pb-free package which is RoHS

(2002/95/EC) compliant.