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Showing posts with the label TDA7850

4 x 50 W MOSFET quad bridge power amplifier

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

4 x 50 W MOSFET quad bridge power amplifier

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 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