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The NTP-3100 is a single chip full digital audio amplifier including power stages for stereo amplifier system. NTP-3100 is integrated with versatile digital audio signal processing functions, high-fidelity fully digital PWM modulator and two high-power full bridge MOSFET stages. The NTP-3100 receives 2-channel serial audio data with sampling frequency from 8 kHz to 192 kHz. It delivers 2x20W in stereo mode without heat sink. The NTP-3100 has mixer and biquadfilters which can be used to implement the essential audio signal processing functions like loudness control, loud speaker response compensation and parametric equalizers. All the functions of the NTP-3100 can be controlled by internal register values via I2C host interface bus.