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LM49101 - Mono Class AB Audio Subsystem

General Description

The LM49101 is a fully integrated audio subsystem with a mono power amplifier capable of delivering 540mW of continuous average power into an 8Ω BTL speaker load with 1% THD+N using a 3.3V supply.

Key Features

  • 1.
  • 2 Differential Mono Input and Stereo SingleEnded Input.
  • Separate Earpiece (Receiver) Differential Input.
  • Analog Switch for a Separate Earpiece Path.
  • 32-Step Digital Volume Control (-80 to +18dB).
  • Three Independent Volume Channels (Left, Right, Mono).
  • Separate Headphone Volume Control.
  • Flexible Output for Speaker and Headphone Output.
  • True Ground Headphone Amplifier Eliminates Large DC Blocking Capacitors Reducing PCB Space.

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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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LM49101, LM49101TMEVAL www.ti.