STAC9767 Datasheet | IDT

ATURES - - - - - - - - - - - - - - - - - - - - - - - - - This datasheet is for Rev. CC1 Parts and Beyond High Performance Σ∆ Technology AC’97 Rev 2.3 plaint 20-bit Full Duplex Stereo ADC & DACs Independent Sample Rates for ADC & DACs 5-Wire AC-Link Protocol pliance 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 m W) 0d B, 10d B, 20d B and 30d B Microphone Boost Capability +3.3 V (STAC9767) and +5 V (STAC9766) Analog Power Supply Options Pin patible with STAC9700/21/56 100% patible 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 103d B 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 ponent specification of AC'97 (Audio CODEC 97 ponent 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 103d B. The DACs, ADCs and mixer are integrated with analog I/ Os, which include four analog line-level stereo inputs, two analog line-level mono inputs, two stereo outputs, and one mono output channel. The STAC9766/9767 includes digital input/output capability for support of modern PC systems with an output that supports the SPDIF format. The STAC9766/9767 is a standard 2-channel stereo CODEC. With IDT’s headphone drive capability, headphones can be driven with without an external amplifier. The STAC9766/9767 may be used as a secondary CODEC, with the STAC9700/21/56/08/84/50/52 as the primary, in a multiple CODEC configuration conforming to the AC'97 Rev. 2.3 specification. This...