• Part: LM49450
  • Description: Class D Audio SubSystem
  • Manufacturer: Texas Instruments
  • Size: 1.16 MB
LM49450 Datasheet (PDF) Download
Texas Instruments
LM49450

Description

The LM49450 is a fully integrated audio subsystem designed for portable media player applications. The LM49450 bines a 24-bit I2S digital-to-analog converter (DAC), 2.5W/channel stereo Class D speaker drivers, 36mW stereo ground referenced headphone drivers, volume control, and TI’s unique 3D sound enhancement into a single device.

Key Features

  • 23 24–Bit Stereo DAC
  • Stereo Filterless Class D Operation
  • Selectable Spread Spectrum Mode Reduces EMI
  • Ground Referenced Headphone Amplifiers with 100dB SNR
  • I2S compatible Audio Interface
  • Audio Sample Rates up to 192kHz
  • TI’s 3D Enhancement
  • 32-Step Digital Volume Control
  • I2C-compatible Control Interface
  • Headphone Sense Input