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LM4548 Datasheet AC97 Rev2 Codec

Manufacturer: Texas Instruments

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General Description

The LM4548 is an audio codec for PC systems which is fully PC98 compliant and performs the analog intensive functions of the AC97 Rev2 architecture.

Using 18-bit Sigma-Delta A/D's and D/A's, the LM4548 provides 90dB of Dynamic Range.

The LM4548 was designed specifically to provide a high quality audio path and provide all analog functionality in a PC audio system.

Overview

OBSOLETE LM4548 www.ti.com SNOS441C – FEBRUARY 1999 – REVISED APRIL 2013 LM4548 AC '97 Rev 2 Codec with Sample Rate Conversion and TI 3D Sound Check for Samples:.

Key Features

  • 1.
  • 2 AC'97 Rev2 Compliant.
  • TI's 3D Sound Circuitry.
  • High Quality Sample Rate Conversion (SRC) from 4kHz to 48kHz in 1Hz Increments.
  • Multiple Codec Support.
  • True Line Level Output with Volume Control in Addition to Standard Line Out.
  • Advanced Power Management Support.
  • Digital 3V and 5V Compliant.

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