LM48557 Datasheet - National Semiconductor

Ceramic Speaker Driver

LM48557 Features

* high power supply rejection ratio (PSRR), 80dB at 217Hz, allowing the device to operate in noisy environments without additional power supply conditioning. Flexible power supply requirements allow operation from 2.7V to 4.5V. The LM48557 features an active low reset input that reverts the device to

LM48557 General Description

The LM48557 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones and portable media players, where board space is at a premium. The LM48557 charge pump allows the device to deliver 5.8VRMS from a single 4.2V supply. The L.

LM48557 Datasheet (644.68 KB)

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Part number:

LM48557

Manufacturer:

National Semiconductor

File Size:

644.68 KB

Description:

Ceramic speaker driver.
LM48557 Mono, Bridge-Tied Load, Ceramic Speaker Driver with I2C Volume Control and Reset www.DataSheet4U.com LM48557 August 6, 2009 Mono, Bridge-T.

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LM48557 Ceramic Speaker Driver National Semiconductor

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LM48557 Features

LM48557 General Description

Datasheet Details

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