LM4953 - Ground-Referenced Ultra Low Noise / Ceramic Speaker Driver

Product Overview

National Semiconductor

Part number	LM4953
Manufacturer	National Semiconductor
File Size	689.68 KB
Description	Ground-Referenced Ultra Low Noise / Ceramic Speaker Driver
Datasheet	LM4953 Datasheet
Additional preview pages of the LM4953 datasheet.

The LM4953 is an audio power amplifier designed for driving Ceramic Speaker in portable applications.

a low-power consumption shutdown mode. Additionally, the LM4953 features an internal thermal shutdown protection mechanism. The LM4953 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions. The LM4953 is unity-gain stable and can be configured by external gain-setting resistors. Key Specifications j Quiescent Power Supply Current (Vdd = 3V) 7mA(typ) j BTL Voltage Swing (2µF+30Ω load, 1% THD+N, Vdd = 3.6V) j Shutdown C.

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Published: Apr 2, 2010 |