November 2007

Rev 1

1/14

1

TDA7389A

4 x 45W quad bridge car radio amplifier

Features

–4 x 45W/4

Ω max.

–4 x 28W/4

Ω @ 14.4V, 1KHz, 10%

– Internally fixed gain (26dB)

– No external compensation

– No bootstrap capacitors

– Out to GND short

– Thermal shutdown

Protections:

load

limiter

Description

The TDA7389A is a new technology class AB

Audio Power Amplifier in Flexiwatt 27 package

designed for high end car radio applications.

Thanks to the fully complementary PNP/NPN

output configuration the TDA7389A allows a rail to

rail output voltage swing with no need of bootstrap

capacitors.

Flexiwatt27

Table 1.

Device summary

Order code

Package

Packing

TDA7389A

Flexiwatt27

Tube

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