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LM4911Q - Stereo 40mW Low Noise Headphone Amplifier

Download the LM4911Q datasheet PDF. This datasheet also covers the LM4911 variant, as both devices belong to the same stereo 40mw low noise headphone amplifier family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM4911/LM4911Q 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.

Key Features

  • 1.
  • 2 OCL or Capacitively Coupled Outputs (Patent Pending).
  • External Gain-Setting Capability.
  • Available in Space-Saving VSSOP and WSON Packages.
  • Ultra Low Current Shutdown Mode.
  • Mute Mode Allows Fast Turn-on (1ms) with Less Than 1mV Change on Outputs.
  • 2V - 5.5V Operation.
  • Ultra Low Noise.
  • LM4911QMM is an Automotive Grade Product that is AEC-Q100 Grade 2 Qualified.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM4911-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM4911 Stereo 40mW Low Noise Headphone Amplifier National Semiconductor
LM4910 Output Capacitor-less Stereo 35mW Headphone Amplifier National Semiconductor
LM49100 Mono Class AB Audio Subsystem National Semiconductor
LM49101 Mono Class AB Audio Subsystem National Semiconductor
LM4912 Stereo 40mW Low Noise Headphone Amplifier National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
LM4911 Stereo 40mW Low Noise Headphone Amplifier
LM4910 Output Capacitor-less Stereo 35mW Headphone Amplifier
LM49100 Mono Class AB Audio Sub-System
LM49101 Mono Class AB Audio Subsystem
LM49120 Audio Sub-System

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.

View original datasheet text
LM4911, LM4911Q www.ti.com SNAS152M – MAY 2004 – REVISED JUNE 2011 LM4911/LM4911Q Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output Check for Samples: LM4911, LM4911Q FEATURES 1 •2 OCL or Capacitively Coupled Outputs (Patent Pending) • External Gain-Setting Capability • Available in Space-Saving VSSOP and WSON Packages • Ultra Low Current Shutdown Mode • Mute Mode Allows Fast Turn-on (1ms) with Less Than 1mV Change on Outputs • 2V - 5.5V Operation • Ultra Low Noise • LM4911QMM is an Automotive Grade Product that is AEC-Q100 Grade 2 Qualified. APPLICATIONS • Portable CD Players • PDAs • Portable Electronics Devices • Automotive KEY SPECIFICATIONS • PSRR at 217Hz and 1kHz 65 dB (typ) • Output Power at 1kHz with VDD = 2.