AD1819A
FEATURES
ENHANCED FEATURES
Fully pliant AC ’97 Analog I/O ponent
Support for Multiple Codec munications
48-Terminal TQFP Package
DSP 16-Bit Serial Port Format
Multibit ⌺⌬ Converter Architecture for Improved
Variable 7 k Hz to 48 k Hz Sampling Rate with 1 Hz
S/N Ratio >90 d B
Resolution
16-Bit Stereo Full-Duplex Codec
Supports Modem Sample Rates and Filtering
Four Analog Line-Level Stereo Inputs for Connection
Phat™ Stereo 3D Stereo Enhancement 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
OStereo Line Level Output Mono Output for Speakerphone BPower Management Support
VHDL and Verilog Models of Serial Port Available
FUNCTIONAL BLOCK DIAGRAM
S CS0 CS1 CHAIN_IN CHAIN_CLK
OLEMIC1
MIC2
TELINE_IN
0d B/ 20d B
MASTER/SLAVE SYNCHRONIZER
16-BIT ⌺⌬ A/D
CONVERTER
VIDEO PHONE_IN
16-BIT ⌺⌬ A/D
CONVERTER
RESET...
