LM48580 Texas instruments

LM48580

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LM48580

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Описание

The LM48580 is a fully differential, high voltage driver for piezo actuators and ceramic speakers for portable multi-media devices. Part of TI’s Powerwise™ product line, the LM48580 Class H architecture offers significant power savings compared to traditional Class AB amplifiers. The device provides 30 VP-P output drive while consuming just 15 mW of quiescent power. The LM48580 is a single supply driver with an integrated boost converter which allows the device to deliver 30 VP-P from a single 3.6 V supply. The LM48580 has three pin-programmable gain settings and a low power Shutdown mode that reduces quiescent current consumption to 0.1 µA. The LM48580 is available in an ultra-small 12-bump DSBGA package.

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 DSBGA Package

Analog supply (min) (V)	2.5
Analog supply (max) (V)	5.5
Speaker channels (max)	Mono
Architecture	Class H
Audio input type	Analog Input
Shutdown current (ISD) (µA)	0.5
PSRR (dB)	75
Iq (typ) (mA)	2.7
Operating temperature range (°C)	-40 to 85
Rating	Catalog