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LM4546B

National Semiconductor
Part Number LM4546B
Manufacturer National Semiconductor
Description AC 97 Rev 2 Multi-Channel Audio Codec
Published Nov 10, 2010
Detailed Description LM4546B AC ’97 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound September 2006 LM4546...
Datasheet PDF File LM4546B PDF File

LM4546B
LM4546B

Overview
LM4546B AC ’97 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound September 2006 LM4546B AC ’97 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound General Description The LM4546B is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC ’97 Rev 2.
1 architecture.
Using 18-bit Sigma-Delta ADCs and DACs, the LM4546B provides 90 dB of Dynamic Range.
The LM4546B 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 ADCs and DACs and analog mixers with access to 2 stereo and 2 mono inputs.
Each mixer input has separate gain, attenuation and mute control and the mixers drive 1 mono and 1 stereo output, each with attenuation and mute control.
The LM4546B supports National’s 3D Sound stereo enhancement and a comprehensive sample rate conversion capability.
The sample rate for ...


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