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| EUA6230 ds6230 ver1.1 sep. 2011 1 2.4w, mono class g audio power amplifier with agc description the EUA6230 is a mono class g power amplifier with an integrated inverting charge-pump power supply and automatic gain control (agc). the charge pump can supply up to 500ma of peak out-put current over a 2 .7v to 5v supply voltage range, guaranteeing up to 2.4w ou tput power into an 8 load. the agc function can prevent distortion of the audio signal by detecting output signal clip due to the over level input signal and compres sing it automatically. the EUA6230 offers good performance through the cla ss g output stage, which provides efficiency levels gr eater than class ab devices without the emi penalties commonly associated with class d amplifiers. the de vice utilizes fully differential inputs and outputs, com prehensive click-and-pop suppression, shutdown control, and so ft-start circuitry. the EUA6230 is available in 28-pin tqfn (4mm 4mm) package. typical application circuit features 2.7v-5.0v operation auto gain control for non-clipping 61% efficiency (v cc =5v, p out =1w) 2.4w output power into 8 at v cc =5v up to 2.4w instantaneous output power into 8 integrated charge-pump power supply click-and-pop suppression auto gain control for non-clipping available in tqfn-28 package rohs compliant and 100% lead(pb)-free halogen-free applications mobile phones/ smartphones personal media players tablet pc handheld gaming notebook computers figure1.
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