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LM49100 Description

The LM49100 is a fully integrated audio subsystem capable of delivering 1.275W of continuous average power into a mono 8Ω bridged-tied load (BTL) with 1% THD+N and with a 5V power supply. The LM49100 also has a stereo true-ground headphone amplifier capable of 50mW per channel of continuous average power into a 32Ω single-ended (SE) loads with 1% THD+N. The LM49100 has three input channels.

LM49100 Key Features

  • 2 Mono and Stereo Inputs
  • Thermal Overload Protection
  • True-Ground Headphone Drivers
  • I2C Control Interface
  • Input Mute Attenuation
  • 2nd Stage Headphone Attenuator
  • 32-Step Digital Volume Control
  • 10 Operating Modes
  • Minimum External ponents
  • Click and Pop Suppression