LM49150 Datasheet - National Semiconductor

LM49150, Mono Class D Audio Subsystem

LM49150 Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers LM49150 March 4, 2009 Mono Class D Audi.
The LM49150 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.

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Datasheet Details

Part number:

LM49150

Manufacturer:

National Semiconductor

File Size:

786.30 KB

Description:

Mono Class D Audio Subsystem

Features

* a patented, ultra low EMI PWM architecture that significantly reduces RF emissions while preserving audio quality. The 42mW/channel headphone drivers feature National’s ground referenced architecture that creates a ground-referenced output from a single supply, eliminating the need for bulky and exp

Applications

* such as cellular phones. Part of National's Power Wise® product family, the LM49150 consumes very low power in the various modes of operation and still providing great audio performance. The LM49150 combines a 1.25W mono E2S (Enhanced Emission Suppression) class D amplifier, 135mW Class AB earpiece

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