描述 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.

特性 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