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LM4982

National Semiconductor
Part Number LM4982
Manufacturer National Semiconductor
Description Stereo Headphone Amplifier
Published Nov 11, 2006
Detailed Description www.DataSheet4U.com LM4982 Ground-Referenced, Ultra Low Noise, 80mW Stereo Headphone Amplifier with IntelliSense and I2...
Datasheet PDF File LM4982 PDF File

LM4982
LM4982

Overview
www.
DataSheet4U.
com LM4982 Ground-Referenced, Ultra Low Noise, 80mW Stereo Headphone Amplifier with IntelliSense and I2C Volume Control February 2006 LM4982 Ground-Referenced, Ultra Low Noise, 80mW Stereo Headphone Amplifier with IntelliSense and I2C Volume Control General Description The LM4982 is a ground referenced, variable gain audio power amplifier capable of delivering 80mW of continuous average power into a 16Ω single-ended load with less than 1% THD+N from a 3V power supply.
The I2C volume control allows +18 to -76 dB gain settings.
The LM4982 utilizes advanced charge pump technology to generate the LM4982’s negative supply voltage.
This eliminates the need for output-coupling capacitors typically used with single-ended loads.
IntelliSense is a new circuit technology that allows the LM4982 to detect whether a mono or stereo headphone plug has been inserted into the output jack.
Boomer audio power amplifiers were designed specifically to provide high quality output power wit...


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