TDA8920BTH Audio Power Amplifier HSOP24 TDA8920-BTH

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The TDA8920BTH is a high efficiency, two channel class D audio power amplifier in 24 pin HSOP package. The typical output power is 2 x 110W with speaker load impedance of 4ohm. For each channel, the audio input signal is converted into a digital PWM signal using an analogue input stage and PWM modulator. The TDA8920BTH contains high power switches, drivers, timing and handshaking between power switches along with some control logic. To ensure maximum system robustness, an advanced protection strategy has been implemented to provide overvoltage, overtemperature and overcurrent protection. Each of the two audio channels contains PWM modulator, an analogue feedback loop and a differential input stage.