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LM4546 - AC97 Rev2 Codec

Description

The LM4546 is an audio codec for PC systems which is fully PC98 compliant and performs the analog intensive functions of the AC97 Rev 2 architecture.

Using 18-bit Sigma-Delta A/D's and D/A's, the LM4546 provides 90dB of Dynamic Range.

Features

  • 1.
  • 2 AC'97 Rev 2 Compliant.
  • TI's 3D Sound Circuitry.
  • High Quality Sample Rate Conversion (SRC) from 4kHz to 48kHz in 1Hz Increments.
  • Multiple Codec Support.
  • Advanced Power Management Support.
  • Digital 3V and 5V Compliant.

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Datasheet preview – LM4546

Datasheet Details

Part number LM4546
Manufacturer Texas Instruments
File Size 437.41 KB
Description AC97 Rev2 Codec
Datasheet download datasheet LM4546 Datasheet
Additional preview pages of the LM4546 datasheet.

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Full PDF Text Transcription

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OBSOLETE LM4546 www.ti.com SNOS440D – FEBRUARY 1999 – REVISED APRIL 2013 LM4546 AC '97 Rev 2 Codec with Sample Rate Conversion and TI 3D Sound Check for Samples: LM4546 FEATURES 1 •2 AC'97 Rev 2 Compliant • TI's 3D Sound Circuitry • High Quality Sample Rate Conversion (SRC) from 4kHz to 48kHz in 1Hz Increments • Multiple Codec Support • Advanced Power Management Support • Digital 3V and 5V Compliant APPLICATIONS • Desktop PC Audio Systems • Portable PC Systems • Mobile PC Systems KEY SPECIFICATIONS • Analog Mixer Dynamic Range: 97 dB (Typ) • D/A Dynamic Range: 89 dB (Typ) • A/D Dynamic Range: 90 dB (Typ) DESCRIPTION The LM4546 is an audio codec for PC systems which is fully PC98 compliant and performs the analog intensive functions of the AC97 Rev 2 architecture.
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