Leda is a power-efficient amplifier ASIC to drive a piezo MEMS speaker supplied by a standard 3.7 V battery. It includes the filter functions required to support the audio characteristics of the USound piezo MEMS speaker, as well as to customize any filter characteristics an audio application may require. Control and setup is done through an I2S interface. Leda delivers a competitive solution with respect to size, power consumption and audio performance compared to an ASSP solution.
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