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LM4670

Part Number	LM4670
Manufacturer	National Semiconductor
Description	Filterless High Efficiency 3W Switching Audio Amplifier
Published	Mar 22, 2005
Detailed Description	LM4670 Filterless High Efficiency 3W Switching Audio Amplifier December 2004 LM4670 Filterless High Efficiency 3W Swit...
Datasheet	LM4670 PDF File

Overview

LM4670 Filterless High Efficiency 3W Switching Audio Amplifier December 2004 LM4670 Filterless High Efficiency 3W Switching Audio Amplifier General Description The LM4670 is a fully integrated single-supply high efficiency switching audio amplifier.
It features an innovative modulator that eliminates the LC output filter used with typical switching amplifiers.
Eliminating the output filter reduces external component count, simplifies circuit design, and reduces board area.
The LM4670 processes analog inputs with a deltasigma modulation technique that lowers output noise and THD when compared to conventional pulse width modulators.
The LM4670 is designed to meet the demands of mobile phones...

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