LM4548 AC97 Codec

National Semiconductor

Description

LM4548 AC ’97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound February 1999 LM4548 AC ’97 Rev 2 Codec with Sample Rate Conversion and .
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.

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Datasheet Specifications

Part number: LM4548
Manufacturer: National Semiconductor
File Size: 322.23 KB
Datasheet: LM4548_NationalSemiconductor.pdf
Description: AC97 Codec

Features

* full duplex stereo A/D’s and D/A’s and an analog mixer with 4 stereo and 3 mono inputs, each of which has separate gain, attenuation and mute control. The LM4548 also provides the additional True Line-Level output and National’s 3D Sound stereo enhancement. The LM4548 supports variable sample rate c

Applications

* n Desktop PC Audio Systems n Portable PC Systems n Mobile PC Systems Block Diagram DS100987-1 FIGURE 1. LM4548 Block Diagram © 1999 National Semiconductor Corporation DS100987 www. national. com Absolute Maximum Ratings (Note 3) If Military/Aerospace specified devices are required, please conta

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LM4548 AC97 Codec National Semiconductor

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