TDA7850A 4 x 50 W MOSFET quad bridge power amplifier Datasheet production data Features High output power capability: 4 x 50 W/4 max. 4 x 30 W/4 14.4 V, 1 kHz, 10 % 4 x 80 W/2 max. 4 x 55 W/2 14.4 V, 1 kHz, 10 % 0 03 MOSFET output power stage Flexiwatt27 Excellent 2 driving capability (Horizontal) Hi-fi class distortion Low output noise Standby function Mute function 0 03 Automute at min. supply voltage detection Flexiwatt27 Low external component count: (VertIcal) Internally fixed gain (26 dB) No external compensation No bootstrap capacitors On board 0.35 A high side driver Protections: Description Output short circuit to GND, to V , across s the load The TDA7850A is a breakthrough MOSFET Very inductive loads technology class AB audio power amplifier in Flexiwatt27 package designed for high power car Overrating chip temperature with soft radio. The fully complementary P-Channel/N- thermal limiter Channel output structure allows a rail to rail Output DC offset detection output voltage swing which, combined with high Load dump voltage output current and minimized saturation losses Fortuitous open gnd sets new power references in the car-radio field, Reversed battery with unparalleled distortion performances. ESD The TDA7850A integrates a DC offset detector. Table 1. Device summary Order code Package Packing TDA7850A Flexiwatt27 (vertical) Tube TDA7850AH Flexiwatt27 (horizontal Tube September 2013 Doc ID 13998 Rev 5 1/16 This is information on a product in full production. www.st.com 1Contents TDA7850A Contents 1 Block diagram and application circuit . 5 1.1 Block diagram . 5 1.2 Standard test and application circuit . 5 2 Pin description . 6 3 Electrical specifications 7 3.1 Absolute maximum ratings . 7 3.2 Thermal data . 7 3.3 Electrical characteristics . 7 3.4 Electrical characteristic curves 9 4 Application hints . 12 4.1 SVR . 12 4.2 Input stage 12 4.3 Standby and muting . 12 4.4 DC offset detector 12 4.5 Heatsink definition 12 5 Package information 13 6 Revision history . 15 2/16 Doc ID 13998 Rev 5