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ADM2582E:  2.5 kV Signal and Power Isolated, ±15 kV ESD Protected, Full/Half Duplex RS-485 Transceiver (16Mbps)

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Статус продукта:Производство

The ADM2582E/ADM2587E are fully integrated signal and power isolated data transceivers with ±15 kV ESD protection and are suitable for high speed communication on multipoint transmission lines. The ADM2582E/ADM2587E include an integrated isolated dc-to-dc power supply, which eliminates the need for an external dc-to-dc isolation block.

They are designed for balanced transmission lines and comply with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E).

The devices integrate Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator, a three-state differential line driver, a differential input receiver, and Analog Devices isoPower dc-to-dc converter into a single package. The devices are powered by a single 5 V or 3.3 V supply, realizing a fully integrated signal and power isolated RS-485 solution.

The ADM2582E/ADM2587E driver has an active high enable. An active low receiver enable is also provided that causes the receiver output to enter a high impedance state when disabled.

The devices have current limiting and thermal shutdown features to protect against output short circuits and situations where bus contention may cause excessive power dissipation. The parts are fully specified over the industrial temperature range and are available in a highly integrated, 20-lead, wide-body SOIC package.

The ADM2582E/ADM2587E contain isoPower technology that uses high frequency switching elements to transfer power through the transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards. Refer to Application Note AN-0971, Control of Radiated Emissions with isoPower Devices, for details on board layout considerations.

  • Isolated RS-485/RS-422 interfaces
  • Industrial field networks
  • Multipoint data transmission systems

    • Chinese data sheet available
    • Isolated RS-485/RS-422 transceiver, configurable as half or full duplex
    • isoPower™ integrated isolated DC/DC converter
    • ±15 kV ESD protection on RS485 input/output pins
    • Complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E)
    • ADM2582E data rate: 16 Mbps
    • 5 V or 3.3V operation
    • Connect up to 256 nodes on one bus
    • Open- and short-circuit, fail-safe receiver inputs
    • High common-mode transient immunity: >25 kV/μs
    • Thermal shutdown protection
    • See data sheet for additional features

    Functional Block Diagram for ADM2582E

    UG-044 Evaluation Board User Guide: Evaluating the ADM2582E/ADM2587E (pdf)

    Enter values and click on PowerMe to find power solutions for this IC. PowerMe launch of ADIsimPower Voltage Regulator Design Tool
    (Nominal) For IC being powered
    Available System Voltage V Operating Voltage Rail V Load Current A


    Наименование Тип контента Тип файлов
    ADM2582E/ADM2587E: Signal and Power Isolated RS-485 Transceiver with ±15 kV ESD Protection Data Sheet (Rev C, 06/2011) (pdf, 405 kB) Технические описания PDF
    AN-0971: Управление уровнем излучений при работе с компонентами на основе технологии isoPower  (pdf, 406 kB) Статьи по применению PDF
    AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices  (pdf, 406 kB) Статьи по применению PDF
    AN-1176: Component Footprints and Symbols in the Binary .Bxl File Format  (pdf, 671 kB) Статьи по применению PDF
    ADM2582E: Signal and Power Isolated RS-485 Transceiver Videos HTML
    Solving Isolation Challenges in Power Conversion Applications
    This webcast will present solutions to isolation challenges in power conversion applications. Among the topics to be discussed are the limitations of traditional methods of isolation (such as utilization of optocouplers and pulse transformers) vs. more efficient and cost effective solutions that utilize digital isolators. If you are currently using optocouplers and pulse transformers, this is a webcast you should attend.
    Webcasts 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.
    Webcasts WEBCAST
    UG-044: Evaluating the ADM2582E/ADM2587E  (pdf, 272 kB) Руководства пользователей PDF
    MS-2155: Options and Solutions for Partitioning Isolated Power in Isolated RS-485 Nodes  (pdf, 290 kB) Технические статьи PDF
    Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary  (pdf, 291 kB)
    By Flow Zhao, Design Engineer
    Технические статьи PDF
    NAppkin Note: Lowering the Power of the ADuM524x  (pdf, 223 kB)
    By Mark Cantrell, Senior Applications Engineer
    Технические статьи PDF
    High-Performance Multichannel Power-Line Monitoring with Simultaneous-Sampling ADCs
    By Colm Slattery, Analog Devices, Inc. (Analog Dialogue, Vol. 41, January 2007)
    Журнал Analog Dialogue HTML
    Компания Analog Devices объявила о выдающемся достижении - реализации миллиарда каналов цифровой гальванической изоляции по технологии iCoupler (02 окт 2013) Пресс-релизы HTML
    Digital Isolator Product Selection and Resource Guide  (pdf, 640 kB) Product Selection Guide PDF
    Brochure: Motor and Power Control Solutions  (pdf) Обзор PDF
    Industrial Automation Solutions  (pdf, 6110 kB) Обзор PDF
    ADM2587E/ADM2582E: Signal and Power Isolated RS-485/RS-422 Transceivers  (pdf, 2364 kB) Обзор PDF
    Industrial ICs
    Industrial ICs Solutions Bulletin, Volume 10, Issue 8
    Техническая периодика HTML
    Emerging Energy Applications Solutions Bulletin, Volume 10, Issue 4  (pdf, 1496 kB) Техническая периодика PDF
    Test & Instrumentation Solutions Bulletin, Volume 10, Issue 3  (pdf, 1334 kB) Техническая периодика PDF
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    Приведенные цены действительны в США и указаны только для примерного бюджетного рассчета. Цены указаны в долларах США (за штуку в указанном размере партии) и могут быть изменены. Цены в других регионах могут отличаться в зависимости от местных пошлин, налогов, сборов и курсов валют. Для уточнения стоимости обращайтесь в местные офисы продаж Analog Devices, или к официальным дистрибьюторам. Цены на оценочные платы и наборы указаны за штуку независимо от количества.

    ezLINX™ iCoupler® Isolated Interface Development Environment
    Модели Описание Цена Без использования свинца PCN/PDN Проверка наличия/
    Покупка/Запрос образца
    EZLINX-IIIDE-EBZ Статус: Prodn iCoupler® Isolated Interface Development Environment Evaluation Board $ 149,00 Да -
    ADM2582E Evaluation Board
    Модели Описание Цена Без использования свинца PCN/PDN Проверка наличия/
    Покупка/Запрос образца
    EVAL-ADM2582EEBZ Статус: Prodn Evaluation Board $ 75,00 Да -

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