STAC9752A

www.DataSheet4U.com DATASHEET AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK FEATURES 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 Universal Jacks ™ 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 General Purpose I/Os and Crystal Elimination Circuit Headphone Drive Capability (50 mW per channel) Switchable Headphone Out (pins 39/41 or 35/36) 0dB, 10dB, 20dB and 30dB Microphone Boost Capability +3.3 V (STAC9753A) and +5 V (STAC9752A) Analog Power Supply Options Pin Compatible with STAC9750/52/66 Reference Designs STAC9752A/9753A DESCRIPTION IDT's STAC9752A/9753A 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 STAC9752A/9753A incorporates IDT's proprietary Σ∆ technology. The AC’97 CODEC is designed to achieve a DAC SNR in excess of 94dB. 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 STAC9752A/9753A includes digital input/output capability for support of modern PC systems, with an output that supports ...