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DESCRIPTION

The TDA7391 is a BRIDGE class AB audio power amplifier specially intended for car radio High Power applications.

The high power capability together with the possibility to operate either in DIFFERENTIAL INPUT MODE or SINGLE ENDED INPUT MODE makes it suitable for boosters and high end car radio equipments.

■ HIGH POWER CAPABILITY:

40W/4? MAX

35W/4? EIAJ

45W/3.2? MAX

40W/3.2? EIAJ

32W/3.2? @ VS = 14.4V, f = 1KHz, d = 10

26W/4? @ VS = 14.4V, f = 1KHz, d = 10

■ DIFFERENTIAL INPUTS (EITHER SINGLE

ENDED OR DIFFERENTIAL INPUT SIGNAL

ARE ACCEPTED)

■ MINIMUM EXTERNAL COMPONENT COUNT:

- NO BOOTSTRAP CAPACITORS

- NO BOUCHEROT CELLS

- INTERNALLY FIXED GAIN (30dB)

- NO SVR CAPACITOR

■ ST.-BY FUNCTION (CMOS COMPATIBLE)

■ PROGRAMMABLE TURN-ON/OFF DELAY

■ NO AUDIBLE POP DURING MUTE AND STBY OPERATIONS

PROTECTIONS:

■ SHORT CIRCUIT (TO GND, TO VS, ACROSS

THE LOAD)

■ VERY INDUCTIVE LOADS

■ CHIP OVERTEMPERATURE

■ LOAD DUMP

■ OPEN GND

■ ESD