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LM4915 - Pseudo-Differential Mono Headphone Amplifier

General Description

The LM4915 is a pseudo-differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable audio device applications with mono headphones.

Key Features

  • 1.
  • 2 Pseudo-Differential Amplification.
  • Internal Gain-Setting Resistors.
  • Available in Space-Saving WQFN Package.
  • Ultra Low Current Shutdown Mode.
  • Can Drive Capacitive Loads up to 500pF.
  • Improved Pop & Click Circuitry Virtually Eliminates Noises During Turn-On and TurnOff Transitions.
  • 2.2 - 5.5V Operation.
  • No Output Coupling Capacitors, Snubber Networks, Bootstrap Capacitors or GainSetting Resistors Required.
  • Ultra Lo.

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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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LM4915 www.ti.com SNAS176A – MAY 2003 – REVISED MAY 2013 LM4915 Pseudo-Differential Mono Headphone Amplifier with Fixed 6dB Gain Check for Samples: LM4915 FEATURES 1 •2 Pseudo-Differential Amplification • Internal Gain-Setting Resistors • Available in Space-Saving WQFN Package • Ultra Low Current Shutdown Mode • Can Drive Capacitive Loads up to 500pF • Improved Pop & Click Circuitry Virtually Eliminates Noises During Turn-On and TurnOff Transitions • 2.2 - 5.5V Operation • No Output Coupling Capacitors, Snubber Networks, Bootstrap Capacitors or GainSetting Resistors Required • Ultra Low Noise KEY SPECIFICATIONS • Improved PSRR at 217Hz and 1kHz: 75dB (Typ) • Power Output at 5.0V & 1% THD into 32Ω: 280mW (Typ) • Power Output at 3.