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    | Partname: | LM4920 |  
    | Description: | Ground-Referenced, Ultra Low Noise, Fixed Gain, 80mW Stereo Headphone Amplifier |     
    | Manufacturer: | National Semiconductor |  
    | Datasheet: | PDF (1.20M). Click here to download *) |  
    The LM4920 features a new circuit technology that utilizes a charge pump to generate a negative reference voltage. This allows the outputs to be biased about ground, thereby eliminating output-coupling capacitors typically used with normal single-ended loads.  |  
    
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    Click here to download LM4920 Datasheet*) | 
  
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