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LM4550

National Semiconductor
Part Number LM4550
Manufacturer National Semiconductor
Description AC97 Multi-Channel Audio Codec
Published Mar 22, 2005
Detailed Description LM4550 AC ’97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D ...
Datasheet PDF File LM4550 PDF File

LM4550
LM4550

Overview
LM4550 AC ’97 Rev 2.
1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound December 2002 LM4550 AC ’97 Rev 2.
1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound General Description The LM4550 is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC97 Rev2.
1 architecture.
Using 18-bit Sigma-Delta A/D’s and D/A’s, the LM4550 provides 90 dB of Dynamic Range.
The LM4550 was designed specifically to provide a high quality audio path and provide all analog functionality in a PC audio system.
It features full duplex stereo A/D’s and D...


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