STAC9766

www.DataSheet4U.com DATASHEET TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING FEATURES This datasheet is for Rev. CC1 Parts and Beyond High Performance Σ∆ Technology AC’97 Rev 2.3 Complaint 20-bit Full Duplex Stereo ADC & DACs Independent Sample Rates for ADC & DACs 5-Wire AC-Link Protocol Compliance 20-bit SPDIF Output Full Stereo Microphone Pre-Amp Internal Jack Sensing on Headphone & Line_Out Internal Microphone Input Sensing Digital PC Beep Option Extended AC’97 2.3 Paging Registers Digital-ready Status General Purpose I/O Crystal Elimination Circuit Headphone Drive Capability (50 mW) 0dB, 10dB, 20dB and 30dB Microphone Boost Capability +3.3 V (STAC9767) and +5 V (STAC9766) Analog Power Supply Options Pin Compatible with STAC9700/21/56 100% Compatible with STAC9750/52 IDT Surround (SS3D) Stereo Enhancement Energy Saving Dynamic Power Modes Multi-CODEC Option (Intel AC'97 rev 2.3) Six Analog Line-level Inputs 103dB SNR LINE-LINE STAC9766/9767 RELATED MATERIALS Data Sheet Reference Designs DESCRIPTION IDT's STAC9766/9767 (Revision CC1 and beyond) are general purpose 20-bit, full duplex, audio CODECs conforming to the analog component specification of AC'97 (Audio CODEC 97 Component Specification Rev. 2.3). The STAC9766/9767 incorporates IDT's proprietary Σ∆ technology The AC’97 CODEC is designed to achieve a DAC SNR in excess of 103dB. The DACs, ADCs and mixer are integrated with an...