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LM48580 Datasheet Haptic Piezo ACtuator / Ceramic Speaker Driver

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM48580 High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver LM48580 February 23, 2010 High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker.

General Description

The LM48580 is a fully differential, high voltage driver for piezo actuators and ceramic speakers for portable multi-media devices.

Part of National’s Powerwise product line, the LM48580’s Class H architecture offers significant power savings pared to traditional Class AB amplifiers.

The device provides 30VP-P output drive while consuming just 15mW of quiescent power.

Key Features

  • Class H Driver Integrated Boost Converter Bridge-tied Load Output Differential Input Three Pin-Programmable Gains Low Supply Current Minimum external components Micro-power shutdown Thermal overload protection Available in space-saving 12-bump microSMD package.

LM48580 Distributor