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LM4949

National Semiconductor
Part Number LM4949
Manufacturer National Semiconductor
Description Stereo Class D Audio Subsystem
Published Nov 24, 2006
Detailed Description www.DataSheet4U.com LM4949 Stereo Class D Audio Subsystem with OCL Headphone Amplifier September 2006 LM4949 Stereo C...
Datasheet PDF File LM4949 PDF File

LM4949
LM4949

Overview
www.
DataSheet4U.
com LM4949 Stereo Class D Audio Subsystem with OCL Headphone Amplifier September 2006 LM4949 Stereo Class D Audio Subsystem with OCL Headphone Amplifier General Description 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/channel into an 8Ω load with < 1% THD+N from a 5V supply.
The headphone amplifier features National’s Output Capacitor-less (OCL) architecture that eliminates the output coupling capacitors required by traditio...


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