接口和隔离

ADI提供各种接口产品,其解决方案符合许多工业标准通信标准。采用获奖技术iCoupler®和isoPower®的数字隔离器、隔离收发器和隔离模数转换器能够在设计中实现隔离,不存在采用光耦合器的成本、尺寸、功耗、性能及可靠性限制。其他接口器件包括键盘控制器、电平转换器和高压保护产品,如通道保护、故障保护、过压保护以及防闩锁开关和多路复用器。

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ENGINEERZONE支持社区: 最新接口和隔离讨论

技术资料

快讯名称 内容类型 文件类型
AN-829: AD7142上的环境补偿:温度和湿度对电容式传感器的影响  (pdf, 101 kB) 应用笔记 PDF
AN-829: Environmental Compensation on the AD7142: The Effects of Temperature and Humidity on Capacitance Sensors  (pdf, 101 kB) 应用笔记 PDF
AN-661: ADuC814 to ADM1032 via I2C® Interface  (pdf, 0 kB)
Even though the ADuC814 has an on-chip ±1.5°C temperature sensor, configured through the on-board ADC registers, it is often required that a remote or external temperature sensor be used.
应用笔记 PDF
AN-660: XY-Matrix Keypad Interface to MicroConverter®  (pdf, 286 kB) 应用笔记 PDF
AN-541: Proper System Grounding Techniques for 6B Series Systems  (pdf, 32 kB) 应用笔记 PDF
AN-533: Applying 5B Series Backplanes and Mounting Cards  (pdf, 145 kB) 应用笔记 PDF
AN-1176:二进制.Bxl文件格式的元件尺寸和符号  (pdf, 671 kB) 应用笔记 PDF
AN-1176: Component Footprints and Symbols in the Binary .Bxl File Format  (pdf, 671 kB) 应用笔记 PDF
Create Isolated Supply Rails with Integrated DC/DC Converter
isoPower® integrated and isolated DC/DC converter technology allows you to create a variety of isolated power supply rails with significant power and high levels of integration. Watch this video to learn more.
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ezLINX™ Series: Debugging Your RS-485 Network
The ezLINX iCoupler® isolated interface development tool provides a plug and play solution for evaluating 8 physical layer, digitally-isolated communication standards. This video takes you through the steps of debugging your RS-485 network.
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Replacing Optocouplers and Shunt Regulators with ADuM3190
This video discusses how the ADuM3190 isolated error amplifier can replace optocouplers and shunt regulators with in isolated power supplies.
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ezLinx™ Series: Debugging Your CAN Communications Network
The ezLinx iCoupler® isolated interface development tool provides a plug and play solution for evaluating 8 physical layers, digitally-isolated communication standards. This video shows the steps of debugging your CAN communication networks.
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Industry's Lowest Power Digital Isolators
The ADuM144x family of digital isolators is the industry's lowest power isolators. Capable of up to 2500V of isolation in an ultra-small QSOP package, check out how a common potato can drive these devices.
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ezLINX™ Isolated Integrated Development Environment
ezLINX™ is an integrated development environment containing eight isolated communications interfaces. In this demo, two boards communicate across a Controller Area Network (CAN) bus via twisted pair wiring.
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ADuM3223: iCoupler Gate Driver Motor Control Demo
Three ADuM3223 gate drivers isolate control signals from a power stage connected to a rectified AC mains input. The six pwm control signals from a Blackfin EZ Kit drive six IGBT gates to control a 3-phase induction motor at variable speed.
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ADuM3190 (Isolated Error Amp) & ADP1051 (Digital Controller)
This video features the isolated error amplifier ADuM3190 board and the demo board of the ADP1051 digital isolated DC to DC converter board.
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Demo circuit for 4- 20-mA HART Enabled Field Instruments
Field instrument demonstration circuit for a loop powered HART® enabled smart transmitter. A complete low power, high precision signal chain solution with minimum area overhead, tested and verified as part of ADI’s Circuits from the Lab™ initiative.
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EMC Robustness Demo for RS-485 with Robot Arm Motor Control
Complete EMC protection for RS-485 is shown in a robot arm motor control demo. Multiple RS-485 nodes use an externally certified EMC compliant circuit-from-the-lab®, with Analog Devices RS-485 transceivers and Bourns external protection devices.
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Loop-Powered Field Instrument Circuit with HART Interface
Save time in designing loop powered field instruments with Analog Devices’ demo circuit. It features low power, high performance components – ADuCM360 precision analog microcontroller, AD5421 16-bit 4-20mA loop-powered DAC and AD5700 FSK HART modem.
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Simultaneous Sampling, Isolated, 16-bit DAQ Circuit
Using a whiteboard and lab setup, our engineer shows how to simultaneous sample industrial level signals, in an isolated, high accuracy, daisy-chained data acquisition system. Documentation, design files, and hardware make it easy to integrate.
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20-Bit Voltage Source Circuit for High Accuracy Applications
Using a whiteboard and lab setup, our engineer shows how to implement a high accuracy 20-bit voltage source for precision instrumentation systems. High performance is maintained, and documentation, design files, & hardware make it easy to integrate.
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Experience the action at X-fest 2012 with Analog Devices
Analog Devices takes you inside the Boston event to witness the exciting activity taking place at these events worldwide. Hear how ADI, the analog signal processing experts, is enabling advanced technology solutions for Xilinx FPGAs.
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ezLINX™ iCoupler® Isolated Interface Development Environment
ezLINX™ is an isolated interface development environment that allows for plug and play system evaluation of eight physical layer, digitally-isolated communication standards simultaneously (USB, RS-422, RS-485, RS-232, CAN, 2 x SPI, I²C, and LVDS).
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Introduction to Multipoint LVDS and the ADN469xE Family
Introduction to Analog Devices MLVDS (Multi-point Low Voltage Differential Signalling) transceivers with 8kV IEC ESD Protection. Overview of MLVDS application areas, characteristics and comparison with LVDS.
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iCoupler® Digital Isolators in Motor Control Designs
Learn how iCoupler digital isolator technology helps motor control system designers achieve their stringent design goals by providing many advantages over optocouplers in a motor control solution.
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Interface and Isolation Demonstration
Shown is touch screen control of a robotic arm over an isolated CAN bus. The controller board contains the ADM3053 signal & power isolated CAN xceiver and is used w/ the ADuC7128 microcontroller to receive messages from the Blackfin BF548-EZ-KIT.
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在您的下一个设计中使用实验室电路
观看两个工程师如何使用ADI的实验室电路解决他们的设计难题。从测试数据到硬件评估、项目整合,轻松节省时间并降低电路设计中的风险。
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AD5700:低功耗HART调制解调器
AD5700是一款集成精密振荡器的低功耗Hart调制解调器。本视频介绍已在HART通信基金会注册的参考演示。AD5700旨在与下列DAC轻松实现接口:AD5421、AD5755、AD5422。
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医疗应用中隔离的重要性
了解iCoupler®数字隔离器如何提供简单的解决方案,以安全隔离方式将病人与外部监控器或PC相连。
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Reinforced Insulation on Optocoupler, Digital and Capacitive Isolators
Analog Devices iCoupler® digital isolators meet the same safety requirements as optocouplers.
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SPI应用中使用iCoupler®数字隔离器的时钟选项
本视频以多个例子说明如何优化SPI应用中使用数字隔离器的时钟选项。选择合适的隔离器时,数据速率很重要,但隔离器的传播延迟更重要。
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Measuring Common-Mode Transient Immunity of Isolators
Common-Mode Transient Immunity, or CMTI, is an important characteristic of isolators. This video measures this key parameter to compare how iCoupler® Digital Isolators compare capacitor-based isolators and optocouplers.
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isoPower®:隔离电源与隔离数据集成于单个封装
需要隔离数据的设计往往也需要隔离电源。iCoupler数字隔离器技术不仅能取代光耦合器,起到隔离数据的作用,同时也能用来在单个封装中创建隔离式DC-DC转换器,我们称之为isoPower。
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Isolated Controller Area Network (CAN)
This demonstration shows the seamless integration of an isolated CAN (controller area network) transceiver over an isolated CAN network. The demo highlight the application of the Analog Devices evaluation tool kit to a robotic arm control.
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iCMOS™开关和多路复用器
ADI公司专有的iCMOS是一种集高压硅与亚微米CMOS及互补双极性技术于一体的制造工艺。
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ADI集成式隔离收发器的优势
集成数字隔离器和隔离电源的收发器旨在简化客户的隔离需求。ADI公司提供业界最齐全的集成式隔离收发器产品组合,本视频总结了这类产品的优势。在工业、能源、通讯基础设施和医疗等领域,通信协议被划分得非常细致。同一终端系统也有可能有不同的需求。这一现实再结合电气隔离的不同架构划分和标准需求,形成了更复杂的需求。
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iCoupler®数字隔离器如何实现8.3mm爬电距离
针对最高工作电压为220-250 V AC的系统,iCoupler数字隔离器以最小8mm的爬电距离通过了CSA封装认证,使设计人员能够替换掉光耦合器。观看本视频,了解详情。
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5kVrms信号与电源隔离RS-485收发器
ADM2682E和ADM2687E是ADI隔离收发器系列新增的重要产品,集成了ADI公司的iCoupler数字隔离器技术和isoPower技术。
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Insulation Thickness in Reinforced Isolation Devices
Electrical systems often use insulation for proper operation of circuits, protection of operators from electric shock, or enhanced protection when voltages could generate lethal shocks.
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iCoupler® Technology: An Alternative to Optocouplers
iCoupler® digital isolation technology addresses limitations of optocouplers. Optocouplers are slow, power hungry, difficult to integrate with other functions and degrade over time.
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ADuM4160: First Single Package USB Isolation Solution
The ADuM4160 is an integrated single chip USB isolator. It is designed to provide isolation in the D+/D- lines and works with existing USB ports.
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ADUM322x:用于同步DC-DC转换器的双通道iCoupler®栅极驱动器
ADuM322x是针对同步DC/DC转换器而设计的双通道栅极驱动器。该系列器件在一个SM中同时集成iCoupler®数字隔离技术和4A峰值电流栅极驱动器。
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隔离式5 kV DC/DC转换器
ADuM6xxx系列isoPower®集成隔离电源器件提供5kV rms增强隔离性能,与光耦合器等分立式解决方案相比,电路板面积和成本可节省大约50%。
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5kV rms Digital Isolators with Integrated, Isolated Power Videos HTML
ADuM347x Isolated DC/DC Controller Overview
(Digi-Key Corporation)
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ADM3052和ADM3053:信号和电源隔离式CAN收发器
The ADM3052 is an isolated controller area network (CAN) physical layer transceiver with a V+ integrated linear regulator. The ADM3052 complies with the ISO 11898 standard.
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EMI in isoPower® Devices
This in-depth video shows the viewer how to reduce EMI (electromagnetic interference) in isoPower® devices
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内置集成隔离式电源的2.5kV rms数字隔离器
ADuM520x和ADuM540x系列是基于ADI专有iCoupler技术的第二代isoPower产品。
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如何查看数据手册
What is in a datasheet, and how can the information it contains help you select the right part for your design? This wide-ranging and informative webcast will take you through a typical datasheet and explain the full meaning behind many often misunderstood specs.
在线研讨会 WEBCAST
ADI中国大学创新设计竞赛(2008年度)在线研讨会介绍
ADI中国大学创新设计竞赛是面向在校大学生的科技型竞赛活动,旨在培养大学生的创新能力、协作精神;提高大学生工程实践素质,提高学生针对实际问题进行设计制作的能力,对应用系统的理解和设计能力,理论结合实际,全面发展。竞赛围绕“创新”这一主题,紧扣当今社会电子产业的最新领域和发展方向,采取开放性命题原则,留给参赛者极大的设计空间。2008年度的中国大学创新设计竞赛目前全部88支参赛队已经收到了样片及开发板,并进入了实际设计阶段。
在线研讨会 WEBCAST
Isolation in Ultra Low Power Applications
Advances in isolation technology have reduced the power consumption of digital isolators by orders of magnitude making convenience and safety of standard components available for low power applications. In this webcast we'll look at several designs that take advantage of quiescent currents less than 1uA per channel. This includes 4-20mA field instrumentation, telecom interfaces referenced to negative 42V rails and battery operated applications.
在线研讨会 WEBCAST
An Overview of Spectroscopy Instrumentation Techniques, Applications and Signal Chains
Spectroscopy techniques form the basis for almost all light-based measurements in laboratory and analytical instrumentation. The webcast will start with the basics, show the theory of operation and describe some typical spectroscopy signal chains. Next, we'll explain the challenges of the primary photodiode path and finish with a discussion of the auxiliary measurements that need to be considered in the component selection and end system design.
在线研讨会 WEBCAST
Industrial Process Control: Communication Solutions
This webcast will provide an overview on industrial communications and trends in this market segment. It will focus on the most common connection between the process controller and the field instrument/actuator, the 4-20mA loop, and more specifically on the HART communication. A few examples of solutions for both the process controller and the field instrument side of the communication will be given and discussed.
在线研讨会 WEBCAST
Got my data over the isolation barrier! Now how do I get power to run it?
“What do you mean I have to isolate this thing?” If you have ever thought your design was done only to find out you needed to isolate data in addition to getting power to the isolated circuits, then this webcast is for you. In this session, we will discuss the pros and cons of the various methods of accomplishing this task while saving important board space, design time and cost.
在线研讨会 WEBCAST
Isolated Interface Solutions for Industrial Sensor and Monitoring Applications (German)
This webcast reviews designs in which isolation is needed to protect personnel and equipment from harsh electrical environments. The presentation will detail interface power requirements and approaches for achieving design objectives. Topics will include performance tradeoffs for various approaches and applicable safety certifications for interface components.
在线研讨会 WEBCAST
Guarding RS485 Communication Networks from Harmful EMC Events
In this webcast we will discuss industry’s first EMC compliant RS-485 interface design tool co-developed by Analog Devices and Bourns that provides up to Level 4 protection levels for IEC61000-4-2 ESD, IEC61000-4-4 EFT and IEC61000-4-5 surge .This webcast describes each of these main transient types, and presents and demonstrates three different EMC compliant solutions for three different cost / protection levels on RS-485 communication ports.
在线研讨会 WEBCAST
Low Power Smart Transmitters Design
In this webcast we will explore some of the key trends in modern field instrument design, the most complex of which are high performance, low power and increased diagnostic capabilities. We will examine the power consumption challenges of loop-powered smart transmitters. Finally it will give an example of a full signal chain solution that has been developed by Analog Devices and registered by the HART Communication Foundation.
在线研讨会 WEBCAST
Solving Isolation Challenges in Industrial Automation
This webcast will discuss the role isolation plays in providing protection and reducing the system bit-error-rate, using the specific design challenges of an RS-485 network. Topics to be covered in this presentation will include: Why and when one should isolate, Types of isolation and their advantages, Design Considerations for an RS-485 node (and how this translates to design considerations for signal isolation) as well as many other topics.
在线研讨会 WEBCAST
UG-311: Reliability Handbook  (pdf, 3248 kB) 用户指导 PDF
UG-440: Evaluating the ADM3252E Isolated, Dual Channel, RS-232 Line Driver/Receiver  (pdf, 457 kB) 用户指导 PDF
Digital Isolation Offers Compact, Low-Cost Solutions to Challenging Design Problems
(Analog Dialogue, Vol. 40, December 2006)
《模拟对话》杂志 HTML
MS-2576:出于安全性考虑而平衡隔离器的主要元件  (pdf, 259 kB) 技术文章 PDF
MS-2579:数字隔离器提供易于使用的隔离式USB选项  (pdf, 432 kB) 技术文章 PDF
MS-2575:RS-485通信链路与电子护栏:有关RS-485 EMC稳定性的演示  (pdf, 473 kB) 技术文章 PDF
MS-2302: 数字隔离器为工业电机驱动应用带来性能优势  (pdf, 570 kB) 技术文章 PDF
Digital Isolator Product Selection and Resource Guide  (pdf, 640 kB) 技术文章 PDF
HART通信不再难  (pdf, 439 kB) 技术文章 PDF
数字隔离器的浪涌测试  (pdf, 292 kB) 技术文章 PDF
MS2258: Reducing the Size and Complexity of an Isolated Synchronous Gate Driver  (pdf, 400 kB) 技术文章 PDF
MS2242: Reinforced Isolation in Data Couplers  (pdf, 491 kB) 技术文章 PDF
针对汽车应用的数字隔离器  (pdf, 283 kB) 技术文章 PDF
如何计算控制器参数使隔离式CAN(控制器区域网络)网络以1 Mbps的速度运行  (pdf, 373 kB) 技术文章 PDF
MS-2234: 数字隔离器剖析  (pdf, 0) 技术文章 PDF
Functional SPI Isolation  (pdf, 680 kB) 技术文章 PDF
Creepage Requirements for Medical Applications  (pdf, 588 kB) 技术文章 PDF
采用微型片内变压器的高速数字隔离器  (pdf, 2717 kB)
作者:Baoxing Chen、John Wynne和Ronn Kliger
技术文章 PDF
简化医疗应用中的USB隔离
本文讨论实现USB隔离的各种途径。其中特别介绍了一种新的方式,它可简单经济地实现外设隔离(特别是D+和D–线的隔离),提高了USB在医疗和工业应用中的使用价值。
(ECN, 3/31/2010)
技术文章 HTML
微变压器为混合动力汽车提供信号与电源隔离  (pdf, 234 kB)
作者:Baoxing Chen,ADI公司高级工程师
技术文章 PDF
医疗系统中的USB隔离
新技术可以直接隔离USB信号线路,从而给予设计人员更大的灵活性。
(Medical DeviceLink.com,2009年秋季)
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采用isoPower™技术的iCoupler®产品:利用微变压器跨越隔离栅实现信号和功率传输  (pdf, 1306 kB)
作者:Baoxing Chen
技术文章 PDF
Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards
PLC evaluation board applications for industrial process-control systems are diverse, ranging from simple traffic control to complex electrical power grids, from environmental control systems to oil-refinery process control.
(Industrial Control DesignLine, 8/24/09 - Part 1 and 9/3/09 - Part 1)
技术文章 HTML
Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards (Part 1 of 2)
PLC evaluation board applications for industrial process-control systems are diverse, ranging from simple traffic control to complex electrical power grids, from environmental control systems to oil-refinery process control.
(Industrial Control DesignLine, 8/24/09)
技术文章 HTML
Microtransformer Isolation Benefits Digital Control
by Dr. Baoxing Chen, Analog Devices, Inc. (Power Electronics Technology, October 2008)
技术文章 HTML
Digital Isolation Offers Compact, Low-Cost Solutions to Challenging Design Problems
(Analog Dialogue, Vol. 40, December 2006)
技术文章 HTML
Industrial Applications 概况 HTML
Industrial Automation Solutions  (pdf, 6110 kB) 概况 PDF
RS-485 Applications Guide (May 2006)  (pdf, 2735 kB) 解决方案通报 PDF
工业IC 解决方案通报 HTML
Chengbo’s high precision industrial flow meters strike perfect balance of performance, cost efficiency, and system size with ADI iCoupler digital isolators  (pdf, 328 kB) 客户案例 PDF
ADI iCoupler数字隔离器为Lantronix新型无线医疗设备带来更优性能、更小尺寸和更高可靠性,从而取代基于光耦合器、可靠性较差的老式设计  (pdf, 414 kB) 客户案例 PDF
Can I exceed the parameters specified in the absolute maximum ratings table? 常见问题解答 HTML
What is latch-up and how can I prevent it? 常见问题解答 HTML
UG-440: Evaluating the ADM3252E Isolated, Dual Channel, RS-232 Line Driver/Receiver  (pdf, 457 kB) Documentation PDF
术语表 专业词汇表 HTML
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