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LM4924 - Stereo Headphone Audio Amplifier

General Description

The LM4924 is a Output Capacitor-Less (OCL) stereo headphone amplifier, which when connected to a 3.0V supply, delivers 40mW per channel to a 16Ω load with less than 1% THD+N.

With the LM4924 packaged in the VSSOP and SON packages, the customer benefits include low profile and small size.

Key Features

  • 1.
  • 23 2-Cell 1.5V to 3.6V Battery Operation.
  • OCL Mode for Stereo Headphone Operation.
  • Unity-Gain Stable.
  • “Click and Pop” Suppression Circuitry for Shutdown On and Off Transients.
  • Active Low Micropower Shutdown.
  • Thermal Shutdown Protection Circuitry.

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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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LM4924 www.ti.com SNAS272B – OCTOBER 2004 – REVISED APRIL 2013 LM4924 Boomer™ Audio Power Amplifier Series 2 Cell Battery, 40mW Per Channel Output Capacitor-Less (OCL) Stereo Headphone Audio Amplifier Check for Samples: LM4924 FEATURES 1 •23 2-Cell 1.5V to 3.6V Battery Operation • OCL Mode for Stereo Headphone Operation • Unity-Gain Stable • “Click and Pop” Suppression Circuitry for Shutdown On and Off Transients • Active Low Micropower Shutdown • Thermal Shutdown Protection Circuitry APPLICATIONS • Portable Two-Cell Audio Products • Portable Two-Cell Electronic Devices KEY SPECIFICATIONS • OCL Output Power – (RL = 16Ω, VDD = 3.0V, THD+N = 1%), 40mW (Typ) • Micropower Shutdown Current, 0.1µA (Typ) • Supply Voltage Operating Range, 1.5V < VDD < 3.6V • PSRR 100Hz, VDD = 3.0V, AV = 2.