ADV7282视频解码器 中文数据手册

OneTechnologyWay,P.O.Box9106,Norwood,MA02062-9106,U.S.A.Tel:[phone]©2013–2014AnalogDevices,Inc.Allrightsreserved.TechnicalSupport位、4倍过采样标清电视视频解码器，支持差分输入和去隔行ADV7282产品特性支持全球NTSC/PAL/SECAM色彩解调一个10位模数转换器(ADC)，每通道4倍过采样适用于CVBS、Y/C和YPrPb模式ADV7282：4个模拟视频输入通道，片内集成抗混叠滤波器ADV7282-M：6个模拟视频输入通道，片内集成抗混叠滤波器视频输入支持CVBS(复合)、Y/C(S视频)和YPrPb(分量)支持全差分、伪差分和单端CVBS视频输入NTSC/PAL/SECAM自动检测2路视频输入的电池短路(STB)诊断高达4V的共模输入范围解决方案出色的共模噪声抑制能力5线式自适应2D梳状滤波器和CTI视频增强特性自适应数字线路长度跟踪(ADLLT)、信号处理和增强FIFO管理可提供Mini时基校正(TBC)功能集成自动增益控制(AGC)功能，提供自适应峰值白色模式快速切换能力集成隔行-逐行(I2P)视频输出转换器(去隔行)自适应对比度增强(ACE)向下扰动(8位至6位)Rovi(Macrovision)复制保护检测8位ITU-RBT.656YCrCb4:2:2输出(ADV7282)MIPICSI-2输出接口(仅ADV7282-M)全功能垂直消隐间隔(VBI)数据分割器，支持世界体系图文电视(WST)提供关断模式双线式I2C兼容型串行接口通过汽车应用认证温度等级：−40°C至+105°C32引脚、5mmx5mmLFCSP封装，符合RoHS标准应用智能电话/多媒体手机汽车信息娱乐支持视频安全监控的DVR媒体播放器概述ADV7282/ADV7282-M是功能丰富的单芯片、多格式视频解码器。ADV7282/ADV7282-M可自动检测标准模拟基带视频信号，兼容复合、S视频和分量视频形式的NTSC、PAL和SECAM全球标准信号。ADV7282可将模拟视频信号转换为YCrCb4:2:2视频数据流，其与8位ITU-RBT.656接口标准兼容。ADV7282-M可将模拟视频信号转换为8位、YCrCb4:2:2视频数据流，通过兼容移动工业处理器接口(MIPI®)的CSI-2接口输出。ADV7282/ADV7282-M的模拟视频输入端支持单端、伪差分和全差分信号。ADV7282/ADV7282-M集成去隔行器(I2P转换器)和两个STB诊断引脚，具有电池短路检测能力。ADV7282提供4路模拟输入。ADV7282-M提供6路模拟输入和3路通用输出。ADV7282/ADV7282-M通过双线式串行双向端口(I2C兼容型)进行编程，并且采用1.8VCMOS工艺制造。ADV7282/ADV7282-M提供节省空间的RoHS兼容型LFCSP表面贴装封装。ADV7282/ADV7282-M的额定工作温度范围为−40°C至+105°C，因此非常适合汽车应用。Rev.BDocumentFeedbackInformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.Specicationssubjecttochangewithoutnotice.NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.ADI中文版数据手册是英文版数据手册的译文，敬请谅解翻译中可能存在的语言组织或翻译错误，ADI不对翻译中存在的差异或由此产生的错误负责。如需确认任何词语的准确性，请参考ADI提供的最新英文版数据手册。目录Rev.B|Page2of32产品特性.........................................................................................1应用..................................................................................................1概述..................................................................................................1修订历史.........................................................................................2功能框图.........................................................................................3技术规格.........................................................................................4电气规格....................................................................................4视频规格....................................................................................5模拟规格...................................................................................6时钟和I2C时序规格.................................................................6MIPI视频输出规格(仅ADV7282-M)...................................7像素端口时序规格(仅ADV7282).........................................9绝对最大额定值..........................................................................10热阻..........................................................................................10回流焊......................................................................................10ESD警告...................................................................................10引脚配置和功能描述.................................................................11工作原理.......................................................................................13模拟前端(AFE).......................................................................13标清处理器(SDP)...................................................................14电源时序控制..............................................................................15最佳上电时序.........................................................................15简化上电时序.........................................................................15关断时序..................................................................................15DVDDIO电源电压......................................................................15输入网络.......................................................................................16单端输入网络.........................................................................16差分输入网络.........................................................................16电池短路保护.........................................................................16输入配置.......................................................................................17电池短路(STB)诊断....................................................................18STB诊断功能编程..................................................................18自适应对比度增强(ACE)..........................................................20I2P功能..........................................................................................21ITU-RBT.656Tx配置(仅ADV7282)........................................22MIPICSI-2输出(仅ADV7282-M).............................................23I2C端口描述.................................................................................24