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STAC9220 Dataheets PDF



Part Number STAC9220
Manufacturers IDT
Logo IDT
Description (STAC9220 - STAC9223) 8-CHANNEL HIGH DEFINITION AUDIO CODEC
Datasheet STAC9220 DatasheetSTAC9220 Datasheet (PDF)

www.DataSheet4U.com DATA SHEET 8-CHANNEL HIGH DEFINITION AUDIO CODEC DESCRIPTION The STAC9220/9221/9223 are high fidelity, 8-channel audio CODECs compatible with Intel’s High Definition (HD) Audio Interface. The STAC9220/9221/9223 CODECs provide stereo 24-bit resolution with sample rates up to 192 KHz. SPDIF I/O provides connectivity to consumer electronic equipment. The STAC9221 CODEC incorporates IDT's proprietary Σ∆ technology to achieve an estimated DAC SNR in excess of 105dB. The STAC9220.

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www.DataSheet4U.com DATA SHEET 8-CHANNEL HIGH DEFINITION AUDIO CODEC DESCRIPTION The STAC9220/9221/9223 are high fidelity, 8-channel audio CODECs compatible with Intel’s High Definition (HD) Audio Interface. The STAC9220/9221/9223 CODECs provide stereo 24-bit resolution with sample rates up to 192 KHz. SPDIF I/O provides connectivity to consumer electronic equipment. The STAC9221 CODEC incorporates IDT's proprietary Σ∆ technology to achieve an estimated DAC SNR in excess of 105dB. The STAC9220/9223 CODECs incorporate IDT's proprietary Σ∆ technology to achieve an estimated DAC SNR in excess of 95dB. The STAC9223 has all of the features of the STAC9220 plus ADAT® Optical “Lightpipe.” The STAC9220/9221/9223 CODECs provide high quality, HD Audio capability to notebook and media centric desktop PC applications. STAC9220/9221/9223 Headphone, Line Out, Line In & Microphone • • Pins 35/36 • Pins 39/41 • Line Out, Line In and Microphone Support • Pins 16/17 (with strong line out) • Pins 23/24 • Pins 21/22 • • • • • • • Line In/MIC Support • Pins 14/15 Four Adjustable VREF Out pins for Microphone Bias I2S Out (STAC9221) ADAT® Optical “Lightpipe” Output Support (STAC9221/9223) Digital PC Beep to all outputs +3.3 V and +5 V analog power supply options 48-pin LQFP package (7mm x 7mm) FEATURES • High performance Σ∆ technology • 105dB DAC SNR (STAC9221) • 95dB DAC SNR (STAC9220/9223) • Intel HD Audio interface • Eight Channel (4 DAC pairs and 2 stereo ADCs) with 24-bit resolution • • • • • Supports 7.1 Audio Supports 5.1 Audio with Auxiliary channel for separate audio stream or Real Time Communication (RTC) channel THIRD PARTY SOFTWARE SUPPORT • WOW™ and Tru Surround™ from SRS • Intellisonic Microphone Beam Forming from Knowles™ Sample Rates Up to 192 KHz Integrated Headphone Amps Stereo Microphone • • Maxx BASS™ from Waves Dolby PC Audio Logo Program • Program Levels • • • • • • • Supports Stereo Microphone Microphone Boost 0, 10, 20, 30, 40dB • Dolby Sound Room™ (STAC9220/9223D) • Dolby Home Theater™ (STAC9220/9223D) • Dolby Master Studio™ (STAC9221D) • Dolby Technologies Direct CDROM Recording Mixerless Design SPDIF In and Out Two-Pin Volume Up/Down Control Impedance Sensing Universal Jacks™ Functionality for Jack Retasking • Dolby Headphone™ • Dolby ProLogic II™ • Dolby Virtual Speaker™ • Smart Stream™ from Sonic Focus IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC 1 STAC9220/9221/9223 V 0.96 102706 STAC9220/9221/9223 8-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO Table of Contents 1. FEATURES .............................................................................................................................. 11 1.1. Overview ......................................................................................................................................... 11 1.2. Features .......................................................................................................................................... 11 1.3. Third Party Software Support .......................................................................................................... 12 1.4. Description ..................................................................................................................................... 12 2. CHARACTERISTICS ............................................................................................................... 14 2.1. Audio Fidelity .................................................................................................................................. 14 2.2. Electrical Specifications ................................................................................................................... 14 2.3. STAC922x/STAC922xD 5V Analog Performance Characteristics .................................................. 16 2.4. STAC922x/STAC922xD 4V Analog Performance Characteristics .................................................. 18 2.5. STAC922x/STAC922xD 3.3V Analog Performance Characteristics ............................................... 20 3. POWER CONSUMPTION ........................................................................................................ 22 3.1. Digital .............................................................................................................................................. 22 3.2. Analog: AVDD = 5 V ........................................................................................................................ 22 3.3. Analog: AVDD = 3.3 V ..................................................................................................................... 22 4. DETAILED DESCRIPTION ......................................................................................................23 4.1. Audio Jack Presence Detect ........................................................................................................... 23 4.2. SPDIF Input ..................................................


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