描述 Description

The TDA7576B is a dual bridge power amplifier with MOSFET output power stages. It has been specifically designed for 24 V power supply systems making it compatible with truck/bus applications.

The feedback topology allows excellent distortion performances and the integrated buffer minimizes the need for external components. The fully complementary P-channel/N-channel output structure allows rail-to-rail output voltage swing minimizing saturation losses.

The TDA7576B integrates a DC offset detector, a clipping detector and a diagnostic output.

特性 Features

? Multipower BCD technology
? 24 V battery operation
? MOSFET output power stage
? High output power capability
?2 x 20 W/4 Ω @ 24 V, 1 kHz; 10 %
? Minimized external components
?No decoupling capacitors
?No bootstrap capacitor
?No external compensation
?Internally fixed gain
? Standby function
? Mute function
? Diagnostic pin for:
?clip detector (THD 2 %)
?short circuit detection
?thermal protection
? Output DC offset detection
? Protections:
?60 V load dump
?Overrating chip temperature
?Out short circuit protection (to GND, Vcc and across the load)
?ESD