Datasheet Summary
20VP-P CHARGE PUMP CERAMIC SPEAKER DRIVER
August 2013
GENERAL DESCRIPTION
The IS31AP4915A Features a mono power amplifier with an integrated charge-pump power supply specifically designed to drive the high capacitance of a ceramic loudspeaker.
The IS31AP4915A maximizes battery life by offering high performance efficiency.
The IS31AP4915A is ideally suited to deliver the high output-voltage swing required to drive ceramic/piezoelectric speakers.
The device utilizes prehensive click-and-pop suppression and shutdown control. The IS31AP4915A 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)...