STA540, 规格书,Datasheet 资料.pdf

This is information on a product in full production. April 2012 Doc ID 13907 Rev 6 1/25 1 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 inductive loads ■ ESD 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. Multiwatt15 Table 1. Device summary Order code Temperature range Package Packing STA540 -40 to 150° C Multiwatt15 Tube 芯天下--/ Contents STA540 2/25 Doc ID 13907 Rev 6 Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .