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ADV7322KSTZ1 Datasheet(PDF) 1 Page - Analog Devices |
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ADV7322KSTZ1 Datasheet(HTML) 1 Page - Analog Devices |
1 / 88 page Multiformat 11-Bit HDTV Video Encoder Preliminary Technical Data ADV7322 Rev. PrA Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES High definition input formats 16-, 24-bit (4:2:2, 4:4:4) parallel YCrCb Fully compliant with SMPTE 274M (1080i, 1080p @ 74.25 MHz) SMPTE 296M (720p) SMPTE 240M (1035i) RGB in 3- × 8-bit 4:4:4 input format HDTV RGB supported RGB, RGBHV Other high definition formats using async timing mode Enhanced definition input formats 8-, 16-, 24-bit (4:2:2, 4:4:4) parallel YCrCb SMPTE 293M (525p) BTA T-1004 EDTV2 (525p) ITU-R BT.1358 (625p/525p) ITU-R BT.1362 (625p/525p) RGB in 3- × 8-bit 4:4:4 input format Standard definition input formats CCIR-656 4:2:2 8-bit or 16-bit parallel input High definition output formats YPrPb HDTV (EIA 770.3) RGB, RGBHV CGMS-A (720p/1080i) Enhanced definition output formats Macrovision Rev 1.2 (525p/625p) CGMS-A (525p/625p) YPrPb progressive scan (EIA-770.1, EIA-770.2) RGB, RGBHV Standard definition output formats Composite NTSC M/N Composite PAL M/N/B/D/G/H/I, PAL-60 SMPTE 170M NTSC-compatible composite video ITU-R BT.470 PAL-compatible composite video S-video (Y/C) EuroScart RGB Component YPrPb (Betacam, MII, SMPTE/EBU N10) Macrovision Rev 7.1.L1 CGMS/WSS Closed captioning GENERAL FEATURES Simultaneous SD/HD, PS/SD inputs and outputs Oversampling up to 216 MHz Programmable DAC gain control Sync outputs in all modes On-board voltage reference Six 11-bit precision video DACs 2-wire serial I2C® interface, open-drain configuration Dual I/O supply 2.5 V/3.3 V operation Analog and digital supply 2.5 V On-board PLL 64-lead LQFP package Lead (Pb)-free product APPLICATIONS EVD players (enhanced versatile disk) SD/PS DVD recorders/players SD/progressive scan/HDTV display devices SD/HDTV set top boxes CLKIN_A CLKIN_B HSYNC VSYNC BLANK Y7–Y0 C7–C0 S7–S0 TIMING GENERATOR PLL O V E R S A M P L I N G I2C INTERFACE D E M U X STANDARD DEFINITION CONTROL BLOCK COLOR CONTROL BRIGHTNESS DNR GAMMA PROGRAMMABLE FILTERS SD TEST PATTERN HIGH DEFINITION CONTROL BLOCK HD TEST PATTERN COLOR CONTROL ADAPTIVE FILTER CTRL SHARPNESS FILTER PROGRAMMABLE RGB MATRIX 11-BIT DAC 11-BIT DAC 11-BIT DAC 11-BIT DAC 11-BIT DAC 11-BIT DAC ADV7322 Figure 1. Simplified Functional Block Diagram GENERAL DESCRIPTION The ADV®7322 is a high speed, digital-to-analog encoder on a single monolithic chip. It includes six high speed video DACs with TTL compatible inputs. It has separate 8-, 16-, 24-bit input ports that accept data in high definition and/or standard definition video format. For all standards, external horizontal, vertical, and blanking signals or EAV/SAV timing codes control the insertion of appropriate synchronization signals into the digital data stream and therefore the output signal. |
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