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STAC9272 Dataheets PDF



Part Number STAC9272
Manufacturers IDT
Logo IDT
Description (STAC9271 - STAC9274) 10-CHANNEL HIGH DEFINITION AUDIO CODEC
Datasheet STAC9272 DatasheetSTAC9272 Datasheet (PDF)

www.DataSheet4U.com DATASHEET 10-CHANNEL HIGH DEFINITION AUDIO CODEC Description The STAC927x “Red River” is a family of Theater Quality 10-channel audio CODECs that enable systems with 7.1 audio playing simultaneously with VoIP or another stereo audio stream. IDT's proprietary Σ∆ technology provides high fidelity with an estimated DAC SNR up to 105dB. Up to four digital microphones are supported enabling high quality voice input for increased usability of voice applications. STAC9271/9272/92.

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www.DataSheet4U.com DATASHEET 10-CHANNEL HIGH DEFINITION AUDIO CODEC Description The STAC927x “Red River” is a family of Theater Quality 10-channel audio CODECs that enable systems with 7.1 audio playing simultaneously with VoIP or another stereo audio stream. IDT's proprietary Σ∆ technology provides high fidelity with an estimated DAC SNR up to 105dB. Up to four digital microphones are supported enabling high quality voice input for increased usability of voice applications. STAC9271/9272/9273/9274 • • • Digital PC Beep to all outputs +3.3 V to +5 V analog power supply options Environmental 48-pin LQFP package Software Support • • SKPI (Kernel Processing Interface) • • Enables plug-ins that can operate globally on all audio streams of the system Constant, system-level effects tuned to optimize a particular platform can be combined with user-mode “presets” tailored for specific acoustical environments and applications System-level effects automatically disabled when external connections made Enables improved voice articulation Compressor/limiter allows higher average noise level without resonances Dolby Master StudioTM (See Table) Dolby Home TheaterTM (See Table) Dolby Sound RoomTM (See Table) Dolby HeadphoneTM, Dolby Virtual SpeakerTM Dolby ProLogic IITM, Dolby ProLogic IIxTM Dolby Digital LiveTM Features • • High performance HD Audio CODEC provides Theater Quality Audio High performance Σ∆ technology 12 band parametric equalizer SKPI plug-in • • • • • • • 105dB DAC SNR 90dB ADC SNR Supports 7.1 Audio with simultaneous Real Time Communication (RTC) channel such as VoIP or separate stereo audio stream • • • • • Five Stereo DACs and three stereo ADCs Dynamics Processing SKPI plug-in 24-bit resolution with up to 192 KHz sample rates Digital Microphone Interface Dolby PC Entertainment Experience Logo Program • • • • • • • • Direct interface up to four Digital Microphones Microphone Boost 0, 10, 20, 30, 40dB Six adjustable Vref outputs for microphone bias Analog Stereo Microphone • • • • • • • • • • Dolby Technologies Integrated Headphone Amps (3) S/PDIF In and Out ADAT® Optical “Lightpipe” Output Support Intel Audio StudioTM from Sonic Focus Maxx PlayerTM from Waves Microphone Beam Forming, Acoustic Echo Cancellation, & Noise Suppression from KnowlesTM Volume Up/Down Control Jack Insertion Detect and Impedance Sensing supports Jack Retasking and Universal Jacks IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC 1 IDT CONFIDENTIAL STAC9271/9272/9273/9274 V 1.0 MARCH2007 STAC9271/9272/9273/9274 10-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO Table of Contents 1. DESCRIPTION ......................................................................................................................... 14 2. CHARACTERISTICS ............................................................................................................... 15 2.1. Audio Fidelity ................................................................................................................................... 15 2.2. Electrical Specifications ................................................................................................................... 15 2.3. STAC927x Family 5 V, 4.5 V, 4.0 V and 3.3 V Analog Performance Characteristics ..................... 17 3. DETAILED DESCRIPTION ...................................................................................................... 21 3.1. Universal JacksTM .......................................................................................................................... 21 3.2. SPDIF Input ..................................................................................................................................... 22 3.3. SPDIF Output .................................................................................................................................. 23 3.4. ADAT® Output ................................................................................................................................. 23 3.5. Digital Microphone Support ............................................................................................................. 23 3.6. Analog PC-Beep .............................................................................................................................. 27 3.7. Headphone Drivers (Restrictions) ................................................................................................... 27 3.8. Device IDs ....................................................................................................................................... 27 4. FUNCTIONAL BLOCK DIAGRAMS ........................................................................................ 28 4.1. STAC9273/9274 .............................................................................................................................. 28 4.2. STAC9271/9272 .....................................................................


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