The LM4665 is a fully integrated single-supply high efficiencyswitching audio amplifier. It features an innovative modulatorthat eliminates the LC output filter used with typical switchingamplifiers. Eliminating the output filter reduces parts count,simplifies circuit design, and reduces board area. TheLM4665 processes analog inputs with a delta-sigma modulationtechnique that lowers output noise and THD whencompared to conventional pulse width modulators.
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