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LM4913 - 2W Monaural/ 90mW Stereo Headphone Audio Amplifier

General Description

The unity-gain stable LM4913 is both a mono differential output (for bridge-tied loads, or BTL) audio power amplifier and a single-ended (SE) stereo headphone amplifier.

Operating on a single 5V supply, the mono BTL mode delivers 2W (typ) to a 4Ω load (Note 1) at 0.3% THD+N.

Key Features

  • circuitry that suppresses output transients ("clicks and pops"). The LM4913 is designed for notebook and other handheld portable.

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📁 Similar Datasheet

Part Number Description Manufacturer
LM4910 Output Capacitor-less Stereo 35mW Headphone Amplifier Texas Instruments
LM49100 Mono Class AB Audio Sub-System Texas Instruments
LM49101 Mono Class AB Audio Subsystem Texas Instruments
LM4911 Stereo 40mW Low Noise Headphone Amplifier Texas Instruments
LM4911Q Stereo 40mW Low Noise Headphone Amplifier Texas Instruments

Other Datasheets by National Semiconductor (now Texas Instruments)

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

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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LM4913 2W Monaural, 90mW Stereo Headphone Audio Amplifier December 2002 LM4913 2W Monaural, 90mW Stereo Headphone Audio Amplifier General Description The unity-gain stable LM4913 is both a mono differential output (for bridge-tied loads, or BTL) audio power amplifier and a single-ended (SE) stereo headphone amplifier. Operating on a single 5V supply, the mono BTL mode delivers 2W (typ) to a 4Ω load (Note 1) at 0.3% THD+N. In SE stereo mode, the amplifier will deliver 90mW to 32Ω loads. The LM4913 features circuitry that suppresses output transients ("clicks and pops"). The LM4913 is designed for notebook and other handheld portable applications. It delivers high quality output power from a surface-mount package and requires few external components.