TPA2005D1DRBR

DESCRIPTIONThe TPA2005D1 is a 1.1-W high efficiency filter-freeclass-D audio power amplifier in a MicroStar JuniorBGA PACKAGE that requires only three externalcomponents.Features like 84% efficiency, –71-dB PSRR at 217 Hz,improved RF-rectification immunity, and 15 mm2 totalPCB area make the TPA2005D1 ideal for cellularhandsets. A fast start-up time of 9 ms with minimal popmakes the TP2005D1 ideal for PDA applications.In cellular handsets, the earpiece, SPEAKER phone, andmelody ringer can each be driven by the TPA2005D1.The DEVICE allows independent gain control bysumming the signals from each function whileminimizing noise to only 48 μVRMS.

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