LM48556 - Ceramic Speaker Driver

National Semiconductor

LM48556 Datasheet Preview — Preview of LM48556 PDF

Datasheet Details

Part number	LM48556
Manufacturer	National Semiconductor ↗
File Size	1.02 MB
Description	Ceramic Speaker Driver
Datasheet	LM48556_NationalSemiconductor.pdf

LM48556 Product details

Description

The LM48556 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones, where board space is at a premium.

Features

a soft start function that minimizes transient current during power-up. The LM48556 features high power supply rejection ratio (PSRR) of 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 5.0V. Additionally, the LM48556 features a differential input function and an externally configurable gain. A low power shutdown mode reduces supply current consumption to 0.1μA. Superi.

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Published: Nov 10, 2010 |