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TDA7850 Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7850 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 18 page  October 2007 Rev 3 1/18 1 TDA7850 4 x 50 W MOSFET quad bridge power amplifier plus HSD Features ■ High output power capability: –4 x 50W/4 Ω max. –4 x 30W/4 Ω @ 14.4V, 1KHz, 10% –4 x 80W/2 Ω max. –4 x 55W/2 Ω @ 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 Protections: ■ Output short circuit to gnd, to Vs, across the load ■ Very inductive loads ■ Overrating chip temperature with soft thermal limiter ■ Output DC offset detection ■ Load dump voltage ■ Fortuitous open gnd ■ Reversed battery ■ ESD Description 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/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. The TDA7850 integrates a DC offset detector. Flexiwatt25 (Vertical) Flexiwatt25 (Horizontal) Table 1. Device summary Order code Package Packing TDA7850 Flexiwatt25 (Vertical) Tube TDA7850H Flexiwatt25 (Horizontal Tube www.st.com |
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