AD1819B
FEATURES
Fully pliant AC’97 Analog I/O ponent 48-Terminal LQFP Package Multibit ⌺⌬ Converter Architecture for Improved S/N Ratio >90 d B 16-Bit Stereo Full-Duplex Codec Four Analog Line-Level Stereo Inputs for Connection from LINE, CD, VIDEO, and AUX 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 Power Management Support
AC’97 Sound Port® Codec AD1819B
ENHANCED FEATURES
Support for Multiple Codec munications DSP 16-Bit Serial Port Format Variable 7 k Hz to 48 k Hz Sampling Rate with 1 Hz Resolution Supports Modem Sample Rates and Filtering Phat™ Stereo 3D Stereo Enhancement VHDL and Verilog Models of Serial Port Available
FUNCTIONAL BLOCK DIAGRAM
CS0 CS1 CHAIN_IN CHAIN_CLK
MIC1 MIC2 LINE_IN AUX CD VIDEO PHONE_IN SYNC
AC LINK
0d B/ 20d B
MASTER/SLAVE SYNCHRONIZER
SELECTOR
16-BIT ⌺⌬ A/D CONVERTER
16-BIT ⌺⌬...