This part is a kind of semiconductor called STA540SAN.

Function of this product has 4 x 10-watt dual/quad power amplifier.

Manufacturers : STMicroelectronics

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STA540SAN 4 x 10-watt dual/quad power amplifier Features „ High output-power capability: – 4 x 9 W / 2 Ω at 12 V, 1 kHz, 10% – 4 x 10 W / 4 Ω at 17 V, 1 kHz, 10% )– 2 x 26 W / 4 Ω at 14.4 V, 1 kHz, 10% t(s– 2 x 15 W / 8 Ω at 16 V, 1 kHz, 10% c„ Minimum external component count: du– No bootstrap capacitors ro– No Boucherot cells P– Internally fixed gain of 20 dB te„ Standby function (CMOS compatible) le„ No audible pop during standby operations so„ Diagnostic facilities: b– Clip detector O– Out to GND short circuit -– Out to VS short circuit t(s)– Soft short at turn-on – Thermal shutdown proximity uc„ Protection for rod– Output AC/DC short circuit – Soft short circuit at turn-on te PTable 1. Device summary oleOrder code Temperature range Obs [ ... ]

STA540SAN PDF Datasheet Download