STA540

STA540 4 x 13 W dual/quad power amplifier Datasheet − production data 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 inductiv...