Mixed Signal/Analog
Rochester re-introduces LM4665LDX-G audio amplifiers
With the full authorisation of National Semiconductor, Rochester Electronics has re-introduced the RoHS-compliant LM4665 series, a fully integrated single-supply high efficiency switching audio amplifier. The LM4665 series features an innovative modulator that eliminates the LC output filter used with typical switching amplifiers.
Removing the output filter reduces the part count, simplifies circuit design, and reduces board area. The LM4665 processes analogue input with a delta-sigma modulation technique that lowers output noise and THD when compared to conventional pulse width modulators.
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