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TDA7850 - ST Microelectronics

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TDA7850 4 x 50W MOSFET Quad Bridge Power Amplifier

The TDA7850 is a breakthrough MOSFET technology class AB audio power amplifier in Flexiwatt 25 package designed for high power car radio. The fully complementary P-Channel/NChannel output structure allows a rail to rail output voltage swing, which, combined with high output current and minimised saturation losses, sets new power references in the car-radio f.

Features


■ Superior output power capability: 4 x 50W/4Ω Max. 4 x 30W/4Ω @ 14.4V, 1KHz, 10% 4 x 80W/2Ω Max. 4 x 55W/2Ω @ 14.4V, 1KHz, 10% MOSFET Output power stage Excellent 2Ω driving capability HI-FI class distortion Low output noise ST-BY Function Mute function Automute at min. supply voltage detection Low external component count:
  – Internally fixed gain (26dB)
  – No external compensation
  – No bootstrap capacitors On board 0.35A high side driver Flexiwatt25 (Horizontal) Flexiwatt25 (Vertical)








■ Protections:







■ Output short circuit to GND, to Vs, across the load Very .

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