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The TDA7294 is a high-power audio amplifier IC designed for class-AB applications. It is commonly used in home theater systems, subwoofers, and Hi-Fi audio applications. Here are its key features:TDA7294 Features:High Output Power:Delivers up to 100W at ±35V with 4? speakers.Can provide 50W to 70W RMS with proper heat dissipation.Wide Operating Voltage Range:Works from ±10V to ±40V (dual supply).Low Distortion & High Fidelity:Total Harmonic Distortion (THD) is typically 0.1% at full power.Ideal for high-quality audio applications.Built-in Protection Circuits:Short-Circuit Protection to prevent damage from speaker failures.Thermal Shutdown to prevent overheating.Mute & Standby Functions to reduce noise and improve efficiency.MOSFET-Based Output Stage:Provides excellent sound quality with low crossover distortion.Bridge & Parallel Mode Operation:Can be used in Bridge Mode to deliver even higher power output.Can be paralleled for more current output to drive lower impedance loads.Low Noise Performance:Signal-to-noise ratio (SNR) is high, ensuring clear audio output.Common Applications:Home Audio Systems (Hi-Fi amplifiers, subwoofers).Car Audio Amplifiers.PA Systems & Active Speakers.Musical Instrument Amplifiers.