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ADV7441A 데이터시트(PDF) 1 Page - Analog Devices |
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ADV7441A 데이터시트(HTML) 1 Page - Analog Devices |
1 / 28 page 10-Bit Integrated, Multiformat SDTV/HDTV Video Decoder, RGB Graphics Digitizer, and 2:1 Multiplexed HDMI/DVI Interface ADV7441A Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,nor for anyinfringements ofpatents orother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007–2008 Analog Devices, Inc. All rights reserved. FEATURES Multiformat decoder Four 10-bit analog-to-digital converters (ADCs) ADC sampling rates up to 170 MHz Mux with 12 analog input channels SCART fast blank sampling support NTSC/PAL/SECAM color standards support 525p-/625p-component progressive scan formats support 720p-/1080i-/1080p-component HD formats support Digitizes RGB graphics from VGA to UXGA rates (up to 1600 × 1200 @ 60 Hz) VBI data slicer (including teletext) Analog-to-HDMI fast switching mode Dual High-Definition Multimedia Interface (HDMI) Rx 2:1 multiplexed HDMI receiver HDMI 1.3, DVI 1.0 225 MHz HDMI receiver Repeater support High-bandwidth digital content protection (HDCP 1.3) 36-bit deep color support S/PDIF (IEC60958-compatible) digital audio output Multichannel I2S audio output (up to 8 channels) Adaptive equalizer for cable lengths up to 30 meters Internal EDID RAM General Highly flexible output interface STDI function support standard identification 2 any-to-any 3 × 3 color-space conversion matrices Programmable interrupt request output pins APPLICATIONS Advanced TVs PDP HDTVs LCD TVs (HDTV ready) LCD/DLP® rear projection HDTVs CRT HDTVs LCoS® HDTVs Audio/video receivers (AVR) LCD/DLP front projectors HDTV STBs with PVR DVD recorders with progressive scan input support GENERAL DESCRIPTION The ADV7441A is a high quality multiformat video decoder and graphics digitizer with an integrated 2:1 multiplexed HDMI™ receiver. The ADV7441A contains two main processing sections. The first section is the standard definition processor (SDP), which processes all types of PAL, NTSC, and SECAM signals. The second section is the component processor (CP), which processes YPrPb and RGB component formats, including RGB graphics. The CP also processes the video signals from the HDMI receiver. The ADV7441A can keep the HDCP link between a HDMI source and the selected HDMI port active in analog mode operation. This allows for fast switching between the analog and HDMI modes. As a decoder, the ADV7441A can convert PAL, NTSC, and SECAM composite or S-Video signals into a digital ITU-R BT.656 format. It can also decode a component RGB or YPrPb video signal into a digital YCrCb or RGB pixel output stream. The ADV7441A supports the 525i, 625i, 525p, 625p, 720p, 1080i, 1080p, and 1250i component video standards as well as many other HD and SMPTE standards. SCART and overlay functionality are enabled by the ability of the ADV7441A to process CVBS and standard definition RGB signals simultaneously. As a graphics digitizer, the ADV7441A can digitize RGB graphics signals from VGA to UXGA rates and convert them to a digital RGB or YCrCb pixel output stream. The ADV7441A incorporates a dual-input HDMI 1.3-compatible receiver that supports HDTV formats up to 1080p and display resolutions up to UXGA. The reception of encrypted video is possible with the inclusion of HDCP. The inclusion of adaptive equalization in the HDMI receiver ensures robust operation of the interface with cable lengths up to 30 meters. The HDMI receiver has advanced audio functionality, including a mute controller that prevents audible extraneous noise in the audio output. To facilitate professional applications, where HDCP processing and decryption is not required, a derivative part of the ADV7441A is available. This allows users who are not HDCP adopters to purchase the ADV7441A. See the Ordering Guide for details. Fabricated using an advanced CMOS process, the ADV7441A is available in a space-saving, 144-lead, surface-mount, RoHS- compliant, plastic LQFP and is specified over the −40°C to +85°C temperature range. |
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