AD5410-5420-cn

Rev.EDocumentFeedbackInformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.Specicationssubjecttochangewithoutnotice.NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.OneTechnologyWay,P.O.Box9106,Norwood,MA02062-9106,U.S.A.Tel:[phone]©2009–2013AnalogDevices,Inc.Allrightsreserved.TechnicalSupport图1.特性12/16位分辨率和单调性电流输出范围：4mA至20mA、0mA至20mA或0mA至24mA总非调整误差(TUE)：±0.01%FSR(典型值)输出温漂：±3ppm/°C(典型值)灵活的串行数字接口片内输出故障检测片内基准电压源(最大温漂10ppm/°C)输出电流的反馈和监控异步清零功能电源(AVDD)范围10.8V至40V；AD5410AREZ/AD5420AREZ10.8V至60V；AD5410ACPZ/AD5420ACPZ输出环路顺从电压：AVDD–2.5V温度范围：−40°C至+85°C24引脚TSSOP和40引脚LFCSP封装应用过程控制执行器控制PLCHART网络连接概述AD5410/AD5420是低成本、精密、完全集成的12/16位转换器，提供可编程电流源输出，可满足工业过程控制应用的需求。输出电流范围可编程设置为4mA至20mA、0mA至20mA或者0mA至24mA的超量程。输出具有开路保护功能。该器件采用10.8V至60V的电源(AVDD)供电。输出环路电源电压限制在0V至AVDD–2.5V。灵活的串行接口为SPI、MICROWIRE™、QSPI™和DSP兼容接口，可在三线式模式下工作，最小化了隔离应用中所需的数字隔离电路降至最少。该器件还包含一个确保器件在已知状态下上电的上电复位功能，以及一个将输出设定为所选电流范围低端的异步清零(CLEAR)引脚。总非调整误差典型值为±0.01%FSR。配套产品HART调制解调器：AD5700、AD5700-1单通道、12/16位、串行输入、4mA至20mA电流源DACAD5410/AD5420ADI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。Rev.E|Page2of32目录特性..................................................................................................1应用..................................................................................................1概述..................................................................................................1配套产品.........................................................................................1功能框图.........................................................................................1修订历史.........................................................................................2技术规格.........................................................................................3交流工作特性...........................................................................5时序特性....................................................................................5绝对最大额定值............................................................................7ESD警告.....................................................................................7引脚配置和功能描述...................................................................8典型性能参数..............................................................................10术语................................................................................................15工作原理.......................................................................................16架构..........................................................................................16串行接口..................................................................................16上电状态..................................................................................19传递函数..................................................................................19数据寄存器.............................................................................19控制寄存器.............................................................................19复位寄存器.............................................................................20状态寄存器.............................................................................20修订历史2013年3月—修订版D至修订版E更改表4...........................................................................................7增加图40，重新排序.................................................................19更改表10.......................................................................................20更改散热和电源考量部分及表21...........................................27更新外形尺寸..............................................................................292012年5月—修订版C至修订版D重新组织布局..........................................................................通篇更改产品名称................................................................................1增加“配套产品”部分；更改“特性”部分和“应用”部分........1更改表5...........................................................................................9更改图8.........................................................................................11增加“HART通信”部分和图41，重新排序............................21更改“兼容工业HART的模拟输出应用”部分和图54...........272011年11月—修订版B至修订版C更改表10.......................................................................................182010年2月—修订版A至修订版B修改图46.......................................................................................232009年8月—修订版0至修订版A修改特性和概述部分...................................................................1修改表1...........................................................................................3修改表2