REV Datasheet(PDF) - LM4546 - National Semiconductor (TI)

Manufacturer	Part #	Datasheet	Description
National Semiconductor ...	LM4546	308Kb/18P	AC ??7 Rev 2 Codec with Sample Rate Conversion and National 3D Sound
	LM4548	322Kb/18P	AC ??7 Rev 2 Codec with Sample Rate Conversion and National 3D Sound
	LM4549	324Kb/18P	AC ??7 Rev 2.1 Codec with Sample Rate Conversion and National 3D Sound
	LM4550	507Kb/25P	AC ??7 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound
	MN54AC2525-X	15Kb/6P	MN54AC2525-X REV 1B0
	MN54ABT64	18Kb/9P	MN54ABT646-X REV 0B0
	MN54ABT244	206Kb/13P	MN54ABT244-X REV 0B0
	MNDS7820A	143Kb/9P	MNDS7820A-X REV 0A0
	LM4550B	998Kb/31P	AC 97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound
	LM4549A	528Kb/28P	AC ??7 Rev 2.1 Codec with Sample Rate Conversion and National 3D Sound
	LM4546	1Mb/18P	AC 97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound
	LM4546A	1Mb/28P	AC 97 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound
	LM4549B	933Kb/28P	AC ??7 Rev 2.1 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound
	LM4546B	908Kb/27P	AC ??7 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound
	LM4548A	534Kb/28P	AC ??7 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound

REV Datasheet, PDF