LM4546 - AC97 Codec

National Semiconductor

Datasheet Details

Part number	LM4546
Manufacturer	National Semiconductor
File Size	308.41 KB
Description	AC97 Codec
Datasheet	LM4546_NationalSemiconductor.pdf

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.

full duplex stereo A/D’s and D/A’s and an analog mixer with 2 stereo and 3 mono inputs, each of which has separate gain, attenuation and mute control. The LM4546 also provides National’s 3D Sound stereo enhancement. The LM4546 supports variable sample rate conversion as defined in the AC97 Rev2 specification. The sample rate for the A/D and D/A can be programmed separately to convert any rate between 4kHz - 48kHz with a resolution of 1Hz. The AC97 architecture separates the analog and digital fu.

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Published: Mar 22, 2005 |