IS31AP4915 20VP-P CHARGE PUMP CERAMIC SPEAKER DRIVER September 2012 GENERAL DESCRIPTION The IS31AP4915 features a mono power amplifier with an integrated charge-pump power supply specifically designed to drive the high capacitance of a ceramic loudspeaker.
The IS31AP4915 maximizes battery life by offering high performance efficiency.
The IS31AP4915 is ideally suited to deliver the high output-voltage swing required to drive ceramic/piezoelectric speakers.
The device utilizes comprehensive click-and-pop suppression and shutdown control.
The IS31AP4915 is fully specified over the -40°C to +85°C extended temperature range and is available in small lead-free 16-pin QFN (4mm × 4mm) packages.
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