AD1881
FEATURES
ENHANCED FEATURES
Variable Sample Rate
Mobile Low Power Mixer Mode
True Line-Level Output
Digital Audio Mixer Mode
AC ’97 FEATURES
Fully pliant AC ’97 Analog I/O ponent 48-Lead LQFP Package Multibit ⌺⌬ Converter Architecture for Improved
S/N Ratio greater than 90 d B 16-Bit Stereo Full-Duplex Codec
Four Analog Line-Level Stereo Inputs for Connection from LINE, CD, VIDEO and AUX
DSP 16-Bit Serial Port Format, Slot 16 Mode Supports All Required WHQL Sample Rates Full Duplex Variable 7 k Hz to 48 k Hz Sampling Rate with 1 Hz Resolution Phat™ Stereo 3D Stereo Enhancement Split Power Supplies (3.3 V Digital/5 V Analog) Extended 6-Bit Master Volume Control Audio Amp Power-Down Signal
Two Analog Line-Level Mono Inputs for Speakerphone and PC BEEP
Mono MIC Input Switchable from Two External
Sources
High Quality CD Input with Ground Sense
Stereo Line-Level Output
Mono Output for Speakerphone or Internal Speaker
Power Management Support
FUNCTIONAL BLOCK DIAGRAM
CS0 CS1...
