LM48580 Haptic Piezo Actuator / Ceramic Speaker Driver

National Semiconductor

Description

LM48580 High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver LM48580 February 23, 2010 High Efficiency Class H, Hi.
The LM48580 is a fully differential, high voltage driver for piezo actuators and ceramic speakers for portable multi-media devices.

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Datasheet Specifications

Part number: LM48580
Manufacturer: National Semiconductor
File Size: 430.73 KB
Datasheet: LM48580_NationalSemiconductor.pdf
Description: Haptic Piezo Actuator / Ceramic Speaker Driver

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-b

Applications

* Touch screen Smart Phones Tablet PCs Portable Electronic Devices MP3 Players Key Specifications
* Output Voltage at VDD = 3.6V RL = 6μF+10Ω, THD+N ≤ 1%
* Quiescent Power Supply current at 3.6V 2.7mA (typ) 800mW (typ) 0.1μA (typ) 30VP-P (typ)
* Power Dissipation

LM48580 Distributors

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LM48580 Haptic Piezo Actuator Ceramic Speaker Driver National Semiconductor

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