STMicroelectronics TDA7391
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. The exclusive fully complementary output stage and the internal fixed gain configuration drop the external component count.FEATURES
● High power capability: – 40 W/4 max – 35 W/4 EIAJ – 45 W/3.2 max – 40 W/3.2 EIAJ – 32 W/3.2 @ VS = 14.4 V, f = 1 kHz, d = 10 % – 26 W/4 @ VS = 14.4 V, f = 1 kHz, 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 (30 dB) – No SVR Capacitor
● Standby function (CMOS compatible)
● Programmable turn-on/off delay
● No audible pop during mute and standby operations
● Protections: – Short circuit (to GND, to VS, across the load) – Very inductive loads – Chip over temperature – Load dump – Open GND – ESD
DESCRIPTION
The on board clipping detector allows easy implementation of gain compression systems. Table 1. Device summary Order code Package Packing TDA7391 Multiwatt11 (vertical) Tube September 2013 This is information on a product in full production. DocID1509 Rev 5 1/13 Contents Contents TDA7391 1 Block and pin description diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . .