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LM4549B Datasheet Multi-channel Audio Codec

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM4549B SNAS598B – JULY 2012 – REVISED JULY 2015 LM4549B AC '97 Rev 2.

General Description

The LM4549B device is an audio codec for PC systems which is fully compliant with the PC99 and performs the analog intensive functions of the AC '97 Rev 2.1 architecture.

Using 18-bit sigma-delta ADCs and DACs, the LM4549B provides 90 dB of dynamic range.

The LM4549B was designed specifically to provide a high quality audio path and provide all analog functionality in a PC audio system.

Key Features

  • 1 Compliant With AC '97 Rev 2.1.
  • High-Quality Sample Rate Conversion from 4 kHz to 48 kHz in 1-Hz Increments.
  • Multiple Codec Support.
  • True Line Level Output with Separate Gain Control.
  • Texas Instrument's 3D Sound Stereo Enhancement Circuitry.
  • Advanced Power Management Support.
  • External Amplifier Power Down (EAPD) Control.
  • PC-Beep Passthrough to Line Out During Initialization or Cold Reset.
  • Digital 3.3-V and 5-V Supp.

Similar Datasheet

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National Semiconductor Logo LM4549B AC 97 Rev 2.1 Multi-Channel Audio Codec National Semiconductor
National Semiconductor Logo LM4549 AC97 Codec National Semiconductor
National Semiconductor Logo LM4549A 2 Multi-Channel Audio Codec National Semiconductor

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LM4549B Distributor