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LM4818 Datasheet

Part NameDescriptionManufacturer
LM4818 Boomer® Audio Power Amplifier Series 350mW Audio Power Amplifier with Shutdown Mode National-Semiconductor
National ->Texas Instruments National-Semiconductor
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General Description
The LM4818 is a mono bridged power amplifier that is capable of delivering 350mWRMS output power into a 16Ω load or 300mW RMS output power into an 8Ω load with 10% THD+N from a 5V power supply.
The LM4818 Boomer audio power amplifier is designed specifically to provide high quality output power and minimize PCB area with surface mount packaging and a minimal amount of external components. Since the LM4818 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable applications.

Key Specifications
■ THD+N at 1kHz, 350mW continuous average output power into 16Ω 10% (max)
■ THD+N at 1kHz, 300mW continuous average output power into 8Ω 10% (max)
■ Shutdown Current 0.7µA (typ)

Features
■ SOP surface mount packaging.
■ Switch on/off click suppression.
■ Unity-gain stable.
■ Minimum external components.

Applications
■ General purpose audio
■ Portable electronic devices
■ Information Appliances (IA)

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