LM49151 Datasheet - National Semiconductor Corporation

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LM49151 Mono Class D Audio Subsystem

LM49151 PRODUCT BRIEF LM49151 PRODUCT BRIEF www.datasheet4u.com PRELIMINARY March 26, 2009 Mono Class D Audio Subsystem with Earpiece Driver, Groun.
The LM49151 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.

LM49151_NationalSemiconductorCorporation.pdf

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Datasheet Details

Part number:

LM49151

Manufacturer:

National Semiconductor Corporation

File Size:

189.67 KB

Description:

Mono Class D Audio Subsystem

Features

* National’s unique Automatic Level Control (ALC) that provides both a I2C programmable no-clip feature with Clip Controls and speaker protection. The E2S (Enhanced Emission Suppression) class D amplifier features a patented, ultra low EMI PWM architecture that significantly reduces RF emissions while

Applications

* such as cellular phones. The LM49151 combines a 1.25W mono E2S class D amplifier, 125mW Class AB earpiece driver, 42mW/channel stereo ground referenced headphone drivers, volume control, input mixer/multiplexer, and speaker protection into a single device. The LM49151 class D speaker amplifier featu

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