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ADM2682E:  16Mbps, 5 kV rms Signal & Power Isolated RS-485 Transceiver with ±15 kV ESD Protection

Информация о продукте

Статус продукта:Рекомендовано для новых разработок

The ADM2682E/ADM2687E are fully integrated 5 kV rms signal and power isolated data transceivers with ±15 kV ESD protection and are suitable for high speed communication on multipoint transmission lines. The ADM2682E/ADM2687E include an integrated 5 kV rms isolated dc-to-dc power supply that 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 ADM2682E/ADM2687E drivers have an active high enable. An active low receiver enable is also provided, which 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, 16-lead, wide- body SOIC package with >8 mm creepage and clearance.

The ADM2682E/ADM2687E 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 AN-0971 Application Note, Recommendations for Control of Radiated Emissions with isoPower Devices, for details on board layout considerations.

APPLICATIONS

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

ОСОБЕННОСТИ И ПРЕИМУЩЕСТВА

  • 5 kV rms isolated RS-485/RS-422 transceiver, configurable as half or full duplex
  • isoPower® integrated isolated dc-to-dc converter
  • ±15 kV ESD protection on
    RS-485 input/output pins
  • Complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E)
  • Data rate: 16 Mbps
  • 5 V or 3.3 V 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
  • See data sheet for additional features

Functional Block Diagram for ADM2682E

Документация

Наименование Тип контента Тип файлов
ADM2682E/ADM2687E: 5 kV rms Signal and Power Isolated RS-485 Transceiver with ±15 kV ESD Protection Data Sheet (Rev B, 11/2013) (pdf, 1030 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-960: Руководство по реализации схем с интерфейсами RS-485/RS-422  (pdf, 245 kB) Статьи по применению PDF
AN-960: RS-485/RS-422 Circuit Implementation Guide  (pdf, 245 kB) Статьи по применению PDF
AN-1176: Component Footprints and Symbols in the Binary .Bxl File Format  (pdf, 671 kB) Статьи по применению PDF
5kVrms Signal and Power Isolated RS-485 Transceivers
The ADM2682E and ADM2687E are a key addition to ADI’s portfolio of isolated transceivers integrating ADI’s iCoupler digital isolator technology and ADI’s isoPower technology.
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-317: Evaluation Board for the ADM2682E/ADM2687E 5 kV rms Signal and Power Isolated RS-485 Transceivers with ±15 kV ESD Protection  (PDF, 562 kB) Руководства пользователей PDF
Creepage Requirements for Medical Applications  (pdf, 588 kB) Технические статьи PDF
iCoupler® Products with isoPower™ Technology: Signal and Power Transfer Across Isolation Barrier Using Microtransformers  (pdf, 1306 kB)
By Baoxing Chen
Технические статьи PDF
Digital Isolator Product Selection and Resource Guide  (pdf, 640 kB) Product Selection Guide PDF
How do I learn about new iCoupler products? FAQs/RAQs HTML
Are iCoupler products Pb-free? FAQs/RAQs HTML
Which iCoupler product is best for my application? FAQs/RAQs HTML
What are the different types of iCoupler products? FAQs/RAQs HTML
What are the benefits of iCoupler technology? FAQs/RAQs HTML
What types of technologies have been used to provide isolation? FAQs/RAQs HTML
What regulatory standards address isolation products? FAQs/RAQs HTML
What are common applications that use isolation? FAQs/RAQs HTML
Словарь терминов Глоссарий HTML

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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/
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EZLINX-IIIDE-EBZ Статус: Prodn iCoupler® Isolated Interface Development Environment Evaluation Board $ 149,00 Да -
ADM2682E Evaluation Board
Модели Описание Цена Без использования свинца PCN/PDN Проверка наличия/
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EVAL-ADM2682EEBZ Статус: Prodn Evaluation Board $ 75,00 Да -

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