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Description The TDA7851L is a breakthrough MOSFET technology class AB audio power amplifier in Flexiwatt25 package designed for high power car radio. The fully complementary P-Channel/N-Channel output structure allows a rail-to-rail output voltage swing which, combined with high output current and minimized saturation losses sets new power references in the car-radio field, with unparalleled distortion performances. '!0'03LM158 Flexiwatt 25 Features ■ Multipower BCD technology ■ High output power capability: – 4 x 48 W/4 Max. – 4 x 28 W/4 @ 14.4 V, 1 kHz, 10 % – 4 x 72 W/2 Max. ■ MOSFET output power stage ■ Excellent 2 driving capability ■ Hi-Fi class distortion ■ Low output noise ■ Standby function ■ Mute function ■ Automute at min. supply voltage detection ■ Low external component count: – Internally fixed gain (26 dB) – No external compensation – No bootstrap capacitors ■ Protections: – Output short circuit to GND, to VS, across the load – Very inductive loads – Overrating chip temperature with soft
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