LM4550 series datasheets. Manufacturer: National Semiconductor.

LM4550 AC ??97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound Datasheet*) LM4550VH AC ??97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound Datasheet*)

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