LM4548 Pdf资料

应用功能： AC ’97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound The LM4548 is an audio codec for PC systems which is fully PC98 compliant and performs the analog intensive functions of the AC97 Rev2 architecture. Using 18-bit Sigma-Delta A/D’s and D/A’s, the LM4548 provides 90dB of Dynamic Range.