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LM48824 - Class G Headphone Amplifier

General Description

The LM48824 is a Class G, ground-referenced stereo headphone amplifier designed for portable devices.

Key Features

  • 1.
  • 2 Class G Power Savings.
  • Ground Referenced Headphone Outputs.
  • Eliminates Output Coupling Capacitors.
  • Common-Mode Sense.
  • I2C Volume and Mode Control.
  • High Output Impedance in Shutdown.
  • Differential Inputs.
  • Advanced Click-and-Pop Suppression.
  • Low Supply Current.
  • Low THD Mode Option.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM48824 www.ti.com SNAS479D – MARCH 2009 – REVISED MAY 2013 LM48824 Class G Headphone Amplifier with I2C Volume Control Check for Samples: LM48824 FEATURES 1 •2 Class G Power Savings • Ground Referenced Headphone Outputs – Eliminates Output Coupling Capacitors • Common-Mode Sense • I2C Volume and Mode Control • High Output Impedance in Shutdown • Differential Inputs • Advanced Click-and-Pop Suppression • Low Supply Current • Low THD Mode Option APPLICATIONS • Mobile Phones, PDAs, MP3 Players • Portable Electronic Devices, Notebook PCs KEY SPECIFICATIONS • Quiescent Power Supply Current at 3.6V: 0.9mA (typ) • Output Power/Channel at VDD = 3.6V (RL = 16Ω, THD+N ≤ 1%): 37 mW (Typ) • Output Power/Channel at VDD = 3.