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STA540_Audio Amplifier Ic

Description

STA540_Audio Amplifier Ic.

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.

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

Protection

■ Output AC/DC short circuit

■ Soft short-circuit check at turn-on

■ Thermal cutoff/limiter to prevent chip from

overheating

■ High inductive loads

■ ESD

Package Includes:

1 x STA540_Audio Amplifier Ic CityTechBD

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