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LM49270 Filterless 2.2W Stereo Class D Audio Subsystem

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Description

LM49270 www.ti.com SNAS384B * DECEMBER 2006 * REVISED MARCH 2007 LM49270 Filterless 2.2W Stereo Class D Audio Subsystem with OCL .
The LM49270 is a fully integrated audio subsystem designed for stereo multimedia applications.

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Features

* 1
* 2 Stereo Filterless Class D Amplifier
* Selectable OCL/CC Headphone Amplifier
* Headphone Sense Ability
* TI’s 3D Enhancement
* RF Suppression
* I2C Control Interface
* 32-Step Digital Volume Control
* 6 Operating Modes
* Out

Applications

* Portable DVD Players
* Smart Phones
* PDAs
* Laptops KEY SPECIFICATIONS
* Stereo Class D Amplifier Efficiency:
* VDD = 3.3V, 450mW/Ch into 8Ω 84%
* VDD = 5V, 1W/Ch into 8Ω 84%
* Quiescent Power Supply Current, VDD = 3.3V
* Spe

LM49270 Distributors

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