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Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed

Specifications
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Content	Rev. 0 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. Speci cations 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: 781.461.3113 ©2011 Analog Devices, Inc. All rights reserved. 功能框图 09927-001 ADM2682E/ADM2687E TxD A B Y Z DE VCC RxD RE GND1GND2 DECODED R DECODE ENCODE OSCILLATORRECTIFIER REGULATOR VISOOUT isoPower DC-TO-DCCONVERTER VISOIN DIGITAL ISOLATIONiCoupler ENCODE ENCODE DECODE TRANSCEIVER ISOLATIONBARRIER 图1. 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。 5 kV rms信号和电源隔离 RS-485收发器，提供±15 kV ESD保护 ADM2682E/ADM2687E 产品特性 5 kV rms隔离RS-485/RS-422收发器，可配置为半双工或全双工集成isoPower的隔离式DC/DC转换器对RS-485输入/输出引脚提供±15 kV ESD保护符合ANSI/TIA/ EIA-485-A-98和ISO 8482:1987(E)标准数据速率：16 Mbps (ADM2682E)，500 kbps (ADM2687E) 5 V或3.3 V电源供电总线最多支持与256个节点连接开路和短路故障保护接收器输入高共模瞬变抗扰度：>25 kV/ s 热关断保护安全和法规认证 UL认证(申请中) 依据UL 1577，1分钟5000 V rms CSA元件验收通知#5A(申请中) IEC 60601-1：400 V rms(基本)，250 V rms(加强) IEC 60950-1：600 V rms(基本)，380 V rms(加强) 符合VDE标准证书(申请中) DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01 VIORM = 846 V峰值工作温度范围：−40°C至+85°C 16引脚宽体SOIC封装，超过8 mm的爬电距离和电气间隙应用隔离式RS-485/RS-422接口工业现场网络多点数据传输系统概述 ADM2682E/ADM2687E是具备±15 kV ESD保护功能的完全集成式5 kV rm信号和电源隔离数据收发器，适合多点传输线路上的高速通信应用。ADM2682E/ADM2687E集成了一个 5 kV rms隔离DC/DC电源，省去了外部DC/DC隔离模块。器件针对平衡传输线路而设计，符合ANS/TIA/EIA-485-A -98和ISO 8482:1987(E)标准。该器件集成ADI公司的iCoupler®技术，将一个3通道隔离器、一个三态差分线路驱动器，一个差分输入接收器和 ADI公司的isoPower®DC/DC转换器集成于单封装中。它们采用5 V或者3.3 V单电源供电，实现完全集成的信号和电源隔离RS-485解决方案。 ADM2682E/ADM2687E具有高电平有效驱动器使能特性。此外具有低电平有效接收器使能特性，禁用时可使接收器输出进入高阻态。这些器件具有限流和热关断特性，可防止发生输出短路以及总线竞争导致功耗过大的情况。额定温度范围为工业温度范围，提供16引脚、宽体SOIC高集成度封装，爬电距离和电气间隙大于8 mm。 ADM2682E/ADM2687E采用isoPower技术，使用高频开关元件通过变压器传输电力。设计印刷电路板(PCB)布局时应特别小心，必须符合相关辐射标准。有关电路板布局考量因素的详细信息，请参考AN-0971应用笔记：“isoPower 器件的辐射控制建议”。
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Following Datasheets	ADM3052_cn (20 pages) ADM3054_cn (20 pages) ADM4168E_cn (12 pages) ADMP441_cn (16 pages) ADMP521_cn (16 pages) ADN4605_cn (56 pages) ADP151_cn_1 (24 pages) ADP1607_cn (16 pages) ADP160_161_162_163_cn (24 pages) ADP1614_cn (16 pages)
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