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ADM2587E Datasheet

ADM2587E Datasheet

2.5 kV Signal and Power Isolated, ±15 kV ESD Protected, Full/Half Duplex RS-485 Transceiver (500kbps)
Part No.: ADM2587E
Page: 22 Pages
Size: 457 KB
Manufacturer: Analog Devices, Inc.
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Views: 1
Update Time: 2023-11-24 11:34:15
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ADM2587E Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
ADM2587EBRWZ Tube 37 ADM2587E 3 20 -40°C ~ 85°C 20-Lead SOIC_W  
ADM2587EBRWZ-REEL7 Reel 400 ADM2587E 3 20 -40°C ~ 85°C 20-Lead SOIC_W  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADM2587E Datasheet(PDF)

ADM2587E Datasheet(Picture)

ADM2587E Features

  • 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
  • ADM2587E data rate: 500 kbps
  • 5 V or 3.3 V operation
  • See datasheet for additional features

ADM2587E Applications

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

ADM2587E Description

The 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 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 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 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.

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