Manufacturer Part Number: ADM2587EBRWZ Manufacturer / Brand: ADI
Part of Description: RS422, RS485 Digital Isolator 2500Vrms 2 Channel 500kbps 25kV/µs CMTI 20-SOIC (0.295", 7.50mm Width) Lead Free Status / RoHS Status: table_img Lead free / RoHS Compliant
Ship From: HK/Shen Zhen Shipment Way: DHL/Fedex/TNT/UPS

Product parameters

Mounting StyleSMD/SMT
Part StatusSC-74A, SOT-753
Data Rate500 kb/s
Package / CaseSOIC-20
Minimum Operating Temperature– 40 C
Maximum Operating Temperature+ 85 C
Factory Pack Quantity37
SubcategoryInterface ICs
Supply TypeSingle
Unit Weight0.028219oz

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    The ADM2587EBRWZ is a high-performance, fully integrated isolated RS-485/RS-422 transceiver with power and data isolation, designed by Analog Devices. This device is ideal for use in industrial automation, building automation, and communication networks requiring robust and reliable data transmission over long distances.

    Key Features:

    • Integrated Isolation: Provides 2.5 kV rms isolation for both power and data, ensuring robust protection against ground loop currents and voltage spikes.
    • RS-485/RS-422 Transceiver: Supports half-duplex communication with up to 256 nodes on the bus, compatible with both RS-485 and RS-422 standards.
    • Data Rates: Supports data rates up to 500 kbps, suitable for various industrial communication needs.
    • Integrated DC-DC Converter: On-chip isolated DC-DC converter supplies isolated power to the transceiver, eliminating the need for an external isolated power supply.
    • ESD Protection: High-level electrostatic discharge (ESD) protection on bus pins enhances reliability in harsh environments.
    • Fail-Safe Receiver: Ensures a known state when the bus is idle or in the presence of open or short circuits.
    • Low Power Consumption: Optimized for low power operation, making it suitable for energy-efficient designs.
    • Package: Available in a wide-body SOIC (Small Outline Integrated Circuit) package, facilitating ease of integration into various applications.

    Typical Applications:

    • Industrial Automation: Used in factory automation systems, PLCs (Programmable Logic Controllers), and motor control.
    • Building Automation: Suitable for HVAC systems, lighting control, and security systems.
    • Communication Networks: Employed in PROFIBUS, Modbus, and other fieldbus systems requiring robust data transmission.
    • Energy and Utilities: Used in smart grid and metering applications.
    • Medical Equipment: Ensures safe and reliable data communication in medical devices.


    • High Integration: Combines isolation, transceiver functionality, and power conversion in a single package, simplifying design and reducing board space.
    • Robust Protection: Provides high-level isolation and ESD protection, enhancing system reliability in noisy and harsh environments.
    • Flexibility: Supports a wide range of data rates and communication standards, making it adaptable to various applications.
    • Ease of Use: Integrated features and a compact package design facilitate easy implementation and reduce development time