LM4985 Datasheet - National Semiconductor

LM4985, Stereo 135mW Low Noise Headphone Amplifier

www.DataSheet4U.com LM4985 Stereo 135mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or Capacitor-less (OCL) Output and Digitally.
The LM4985 is a stereo audio power amplifier with internal digitally controlled volume control.

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Datasheet Details

Part number:

LM4985

Manufacturer:

National Semiconductor

File Size:

1.48 MB

Description:

Stereo 135mW Low Noise Headphone Amplifier

Features

* two functions that optimize system cost and minimize PCB area: an integrated, digitally controlled (I2C bus) volume control and an operational mode that eliminates output signal coupling capacitors (OCL mode). Since the LM4985 does not require bootstrap capacitors, snubber networks, or output coupli

Applications

* n n n n Mobile Phones PDAs Portable electronics devices MP3 Players Boomer ® is a registered trademark of National Semiconductor Corporation. © 2006 National Semiconductor Corporation DS201697 www. national. com LM4985 Block Diagram 201697E9 FIGURE 1. Block Diagram www. national. com 2 LM4985

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LM4985 Stereo 135mW Low Noise Headphone Amplifier National Semiconductor

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