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| EUA6288 ds6288 ver1.0 sep. 2011 1 14v p-p , mono, class g ceramic speaker driver description the EUA6288 is a mono class g power amplifier with an integrated inverting charge-pump power supply. the charge pump can supply up to 500ma of peak out-put current over at 5v, guaranteeing an output of 14v p-p . the EUA6288 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 EUA6288 is ideally designed to deliver the high out put voltage swing for ceramic/piezoelectric speakers. t he device utilizes fully differential inputs and outpu ts, comprehensive click-and-pop suppression, shutdown control, and soft-start circuitry. the EUA6288 is a vailable in 28-pin tqfn (4mm 4mm) package. typical application circuit features 2.7v-5.0v operation integrated charge-pump power supply 14v p-p voltage swing into piezoelectric speaker click-and-pop suppression 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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