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STAC9205 Dataheets PDF



Part Number STAC9205
Manufacturers IDT
Logo IDT
Description (STAC9204 / STAC9205) 4-CHANNEL HD AUDIO CODEC
Datasheet STAC9205 DatasheetSTAC9205 Datasheet (PDF)

www.DataSheet4U.com DATASHEET 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE Description The STAC9204/9205 are high fidelity, 4-channel HD Audio CODECs that enable 2.0 Audio with simultaneous Real-Time Communication such as VoIP, conferencing, voice command and control, etc. Up to four digital microphones are supported, enabling high quality voice input for increased usability of voice applications. STAC9204/9205 • Optimized and flexible power management • 48-pin LQFP and 48.

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www.DataSheet4U.com DATASHEET 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE Description The STAC9204/9205 are high fidelity, 4-channel HD Audio CODECs that enable 2.0 Audio with simultaneous Real-Time Communication such as VoIP, conferencing, voice command and control, etc. Up to four digital microphones are supported, enabling high quality voice input for increased usability of voice applications. STAC9204/9205 • Optimized and flexible power management • 48-pin LQFP and 48-pad QFN environmental package Software Support • SKPI (Kernel Processing Interface) • Enables plug-ins that can operate globally on all audio streams of the system Features • High performance SD technology • 103dB DAC SNR • 90dB ADC SNR • 12 band parametric equalizer SKPI plug-in • 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 audio connections made • Two stereo DACs and two stereo ADCs • Supports 2.0 Audio with simultaneous Real-Time Communication (RTC) channel such as VoIP or separate stereo audio stream • Provides mono output for laptop sub-woofer • Dynamics Processing SKPI plug-in • Enables improved voice articulation • Compressor/limiter allows higher average noise level without resonances • 24-bit resolution with up to 192 KHz sample rates • Supports advanced chipsets with flexible 1.5 V to 3.3 V • signaling Digital microphone interface • Direct interface to up to four digital microphones Third Party Partners • Dolby PC Entertainment Experience Logo Program • Dolby Home Theater™ (HT) • Dolby Sound Room™ (SR) • Analog stereo microphone • Microphone Boost 0, 10, 20, 30, 40dB • Five adjustable Vref outputs for microphone bias • Dolby Technologies • Dolby Headphone™, Dolby Virtual Speaker™ • Dolby ProLogic II™, Dolby ProLogic IIx™ • Dolby Digital Live™ (DDL) • • • • • Universal Jacks™ functionality for jack retasking S/PDIF In and Out Two-pin volume up/down control Digital PC Beep to all outputs +3.3 V, +4 V, +4.5 V and +5 V analog power supply options • Intel Audio Studio™ from Sonic Focus • Maxx Player™ from Waves • Microphone Beam Forming, Acoustic Echo Cancellation, and Noise Suppression from Knowles™ Block Diagram High Definition Interface DSP SPDIF Ports X Port A Port B Port C Port D Port E Port F SPDIF In/Out IDT™ 1 STAC9204/9205 V 1.0 12/06 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE STAC9204/9205 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE PC AUDIO TABLE OF CONTENTS 1. DESCRIPTION ......................................................................................................................... 13 1.1. Overview ......................................................................................................................................... 13 1.2. Block Diagram ................................................................................................................................. 14 1.3. Detailed Description ........................................................................................................................ 15 1.3.1. Low-voltage High Definition Audio Link Signaling ............................................................. 15 1.3.2. Digital Microphone Support ............................................................................................... 15 1.3.3. Volume/Digital Microphone/GPIO Selection ...................................................................... 20 1.3.4. VRefOut/GPIO Selection ................................................................................................... 20 1.3.5. SPDIF Input ....................................................................................................................... 20 1.3.6. SPDIF Output .................................................................................................................... 20 1.3.7. Mono Output ...................................................................................................................... 21 1.3.8. Universal Jacks™ .............................................................................................................. 21 1.3.9. Power Management .......................................................................................................... 23 1.3.10. Analog PC-Beep .............................................................................................................. 23 1.3.11. Headphone Drivers .......................................................................................................... 23 1.3.12. Device IDs ....................................................................................................................... 24 2. CHARACTERISTICS ..................................................................................................


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