LM4548 - AC97 Codec

National Semiconductor

Datasheet Details

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

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.

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 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 archit.

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Published: Mar 22, 2005 |