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LM4548A Key Features

  • AC '97 Rev 2 pliant
  • High Quality Sample Rate Conversion from 4
  • Multiple Codec Support
  • True Line Level Output with Separate Gain
  • Texas Instruments' 3D Sound Stereo
  • Advanced Power Management Support
  • Digital 3.3V and 5V Supply Options
  • Extended Temperature: -40°C ≤ TA ≤ 85°C

Other LM4548A Datasheets

Manufacturer Part Number Description
National Semiconductor Logo National Semiconductor LM4548A 2 Multi-Channel Audio Codec
National Semiconductor Logo National Semiconductor LM4548 AC97 Codec

View all LM4548A datasheets →

LM4548A Description

The LM4548A is an audio codec for PC systems which is fully PC98 pliant and performs the analog intensive functions of the AC '97 Rev 2 architecture. Using 18-bit Sigma-Delta ADCs and DACs, the LM4548A provides 90 dB of Dynamic Range. The LM4548A was designed specifically to provide a high quality audio path and provide all analog functionality in a PC audio system.

LM4548A Applications

  • Desktop PC Audio Systems on PCI Cards, AMR Cards, or with Motherboard Chips Sets Featuring AC Link
  • Portable PC Systems as on MDC Cards, or with a Chipset or Accelerator Featuring AC Link