AmplifierCircuits

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  @ 14.4V, 1 kHz, 10 % MOSFET output power stage Excellent 2  driving capability Hi-Fi class distortion Low output noise ST-BY function Mute function Automute at min. supply voltage detection Low external component count: – Internally fixed gain (26 dB) – No external compensation – No bootstrap capacitors ■ On board 0.35 A high side driver Protections: Output short circuit to gnd, to Vs, across the  load Very inductive loads Overrating chip temperature with soft thermal  limiter Output DC offset detection Load dump voltage Fortuitous open gnd Reversed battery Circuit Diagram: 4 x 50 W MOSFET quad bridge power amplifier