Part number: LM4549B
Manufacturer: National Semiconductor
File Size: 956.49KB
Download: 📄 Datasheet
Description: AC 97 Rev 2.1 Multi-Channel Audio Codec
full duplex stereo ADCs and DACs and analog mixers with access to 4 stereo and 4 mono inputs. Each mixer input has separate gain, attenuation and mute control and the mix.
The LM4549B features the ability to connect several codecs together using the Extended AC Link configuration of one ded.
The LM4549B 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 LM4549B provides 90 dB of Dynamic Range. The LM4549.
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