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LM4929 - Stereo 40mW Low Noise Headphone Amplifier

Datasheet Summary

Description

The LM4929 is an stereo audio power amplifier capable of delivering 40mW per channel of continuous average power into a 16Ω load or 25mW per channel into a 32Ω load at 1% THD+N from a 3V power supply.

Features

  • 1.
  • 23 OCL outputs.
  • No DC Blocking Capacitors.
  • External Gain-Setting Capability.
  • Available in Space-Saving VSSOP Package.
  • Ultra Low Current Shutdown Mode.
  • 2V - 5.5V Operation.
  • Ultra Low Noise.

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Datasheet preview – LM4929

Datasheet Details

Part number LM4929
Manufacturer Texas Instruments
File Size 1.42 MB
Description Stereo 40mW Low Noise Headphone Amplifier
Datasheet download datasheet LM4929 Datasheet
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Full PDF Text Transcription

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LM4929 www.ti.com SNAS293B – DECEMBER 2004 – REVISED APRIL 2013 LM4929 Boomer™ Audio Power Amplifier Series Stereo 40mW Low Noise Headphone Amplifier with OCL Output Check for Samples: LM4929 FEATURES 1 •23 OCL outputs — No DC Blocking Capacitors • External Gain-Setting Capability • Available in Space-Saving VSSOP Package • Ultra Low Current Shutdown Mode • 2V - 5.5V Operation • Ultra Low Noise APPLICATIONS • Portable CD players • PDAs • Portable Electronics Devices KEY SPECIFICATIONS • PSRR at 217Hz and 1kHz • Output Power at 1kHz with VDD = 2.4V, 1% THD+N into a 16Ω load, 65dB (Typ) • Output Power at 1kHz with VDD = 3V, 1% THD+N into a 16Ω load, 25 mW (Typ) • Shutdown current, 40 mW (Typ), 2.0µA (Max) • Output Voltage change on release from Shutdown VDD = 2.
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