Part LM4549B
Description AC 97 Rev 2.1 Multi-Channel Audio Codec
Manufacturer National Semiconductor
Size 956.49 KB
National Semiconductor
LM4549B

Overview

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.