LM4992 420mW Stereo Cell Phone Audio Amplifier February 2004 LM4992 420mW Stereo Cell Phone Audio Amplifier General Description The LM4992 is a stereo audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.
It is capable of delivering 1 watt, per channel, of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components.
The LM4992 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suite...

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