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LM4898 - 1 Watt Fully Differential Audio Power Amplifier

General Description

The LM4898 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.

Key Features

  • 1.
  • 2 Fully Differential Amplification.
  • Available in Space-Saving Packages DSBGA, VSSOP, and WSON.
  • Ultra Low Current Shutdown Mode.
  • Can Drive Capacitive Loads up to 500pF.
  • Improved Pop and Click Circuitry Eliminates Noises During Turn-On and Turn-Off Transitions.
  • 2.4 - 5.5V Operation.
  • No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required.
  • Shutdown High or Low Selectivity.

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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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LM4898, LM4898MMBD www.ti.com SNAS216E – MAY 2003 – REVISED APRIL 2013 LM4898 1 Watt Fully Differential Audio Power Amplifier With Shutdown Select Check for Samples: LM4898, LM4898MMBD FEATURES 1 •2 Fully Differential Amplification • Available in Space-Saving Packages DSBGA, VSSOP, and WSON • Ultra Low Current Shutdown Mode • Can Drive Capacitive Loads up to 500pF • Improved Pop and Click Circuitry Eliminates Noises During Turn-On and Turn-Off Transitions • 2.4 - 5.5V Operation • No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required • Shutdown High or Low Selectivity APPLICATIONS • Mobile Phones • PDAs • Portable Electronic Devices KEY SPECIFICATIONS • Improved PSRR at 217Hz: 83 dB(typ) • Power Output at 5.0V, 1% THD: 1.0 W(typ) • Power Output at 3.