ADM2587E 2.5 kV Signal and Power Isolated, ±15 kV ESD Protected, Full/Half Duplex RS-485 Transceiver (500kbps)
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, 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, 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 the
AN-0971 Application Note, 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
Features and BenefitsIsolated RS-485/RS-422 transceiver, configurable as half or full duplexisoPower® integrated isolated dc-to-dc converter±15 kV ESD protection on RS-485 input/output pinsComplies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E)Data rate: 500 kbps5 V or 3.3 V operationConnect up to 256 nodes on one busOpen- and short-circuit, fail-safe receiver inputsHigh common-mode transient immunity: >25 kV/µsThermal shutdown protectionSafety and regulatory approvals- UL recognition: 2500 V rms for 1 minute per UL 1577
- VDE Certificates of Conformity
– DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01
– VIORM = 560 V peak
UL recognition: 2500 V rms for 1 minute per UL 1577VDE Certificates of Conformity
– DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01
– VIORM = 560 V peakOperating temperature range: −40°C to +85°CHighly integrated, 20-lead, wide-body SOIC package | Building Technology- Heating Ventilation and Air Conditioning
- LED General Lighting
- White Goods and Vending
IBIS ModelsReference Designs |
Data Sheets
Application Notes
User Guides
Frequently Asked Questions
Order Information
| Part Number | Package | Packing Qty | Temp Range | Price 100-499 | Price 1000+ | RoHS |
|---|
| ADM2587EBRWZ Production | 20 ld SOIC - Wide | OTH 37 | -40 to 85C | 6.47 | 5.5 | Y |
| ADM2587EBRWZ-REEL7 Production | 20 ld SOIC - Wide | REEL 400 | -40 to 85C | 6.47 | 5.5 | Y |
Evaluation Boards
| Part Number | Description | Price | RoHS |
|---|
| EVAL-ADM2587EEBZ | ADM2587E Populated 6-Layer EN55022 Class B Radiated Emissions Compliant Evaluation Board | 75 | Y |
| EVAL-ADM2587EEMIZ | ADM2587E Populated 2-Layer EN55022 Class A Radiated Emissions Compliant Evaluation Board | 75 | Y |
| EZLINX-IIIDE-EBZ | iCoupler® Isolated Interface Development Environment Evaluation Board | 149 | Y |
Reference Materials
