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Audio amplifier and audio codec in a single IC with USB interface

NShet
Associate

I want choose a part which has audio codec and audio amplifier in a single IC. It should support USB interface. The amplifier(chip) output is given to a speaker. It should support 3-5V supply range.

Note: Speaker consume power in the range 2-4W

     Speaker has impedance in the range of 3-10 Ohms

     Speaker has maximum resonant frequency of 750Hz ± 20%

     Speaker's operating frequency range is varying from 0 - 20KHz

     Speaker has a maximum distortion < 10%

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