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LM4949 Datasheet - National Semiconductor

LM4949 - Stereo Class D Audio Subsystem

The LM4949 is a fully integrated audio subsystem designed for stereo cell phone applications.

The LM4949 combines a 2.5W stereo Class D amplifier plus a separate 190mW stereo headphone amplifier, volume control, and input mixer into a single device.

The filterless class D amplifiers deliver 1.19W/ch

LM4949 Features

* National’s Output Capacitor-less (OCL) architecture that eliminates the output coupling capacitors required by traditional headphone amplifiers. Additionally, the headphone amplifiers can be configured with capacitively coupled (CC)loads, or used to drive an external headphone amplifier. When config

LM4949_NationalSemiconductor.pdf

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Datasheet Details

Part number:

LM4949

Manufacturer:

National Semiconductor

File Size:

1.80 MB

Description:

Stereo class d audio subsystem.

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