ADM2587EBRWZ - 2.5kV Isolated RS-485 Transceiver | Analog Devices
MPN: ADM2587EBRWZ β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.11 | $7.11 |
| 10 | $6.5 | $65.00 |
| 100 | $5.9 | $590.00 |
| 500 | $5.3 | $2,650.00 |
| 1,000 | $4.8 | $4,800.00 |
Drop-in alternatives for ADM2587EBRWZ β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ADM2587EBRWZ-REEL7
β Drop-Inπ Reference alternative (not in catalog)
ADM2582EBRWZ
β Drop-Inπ Reference alternative (not in catalog)
ISO3082DW
β Drop-Inπ Reference alternative (not in catalog)
ISL32704EIBZ
β Drop-Inπ Reference alternative (not in catalog)
MAX14850
β Drop-Inπ Reference alternative (not in catalog)
ADM2587EBRWZ Maximum Ratings & Electrical Characteristics
| Isolation Voltage | 2500 Vrms |
| Data Rate | 500 kbps |
| Number of Channels | 2 |
| CMTI | 25 kV/Β΅s |
| ESD Protection | Β±15 kV (HBM) |
| Supply Voltage (VCC) | 5 V |
| Isolated Supply Output (VISO) | 5 V |
| Duplex | Full/Half |
| Operating Temperature | -40Β°C to +85Β°C |
| Package | 20-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Number of Pins | 20 |
| RoHS Status | Compliant |
| Propagation Delay | [DATA_NEEDED: propagation delay] |
| Bus Fault Protection | -7V to +12V |
ADM2587EBRWZ Pin Configuration
| Pin 1 | VCC β 5V supply input |
| Pin 2 | GND β Ground |
| Pin 3 | VISO β Isolated 5V output |
| Pin 4 | GNDISO β Isolated ground |
| Pin 5 | A β Non-inverting bus line |
| Pin 6 | B β Inverting bus line |
| Pin 7 | Y β Driver output (non-inverting) |
| Pin 8 | Z β Driver output (inverting) |
| Pin 9 | RE β Receiver enable (active low) |
| Pin 10 | DE β Driver enable (active high) |
| Pin 11 | DI β Driver input |
| Pin 12 | RO β Receiver output |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ADM2587EBRWZ is suitable for 6 applications: Industrial Fieldbus Networks, Building Automation and HVAC, Isolated Data Acquisition, Motor Drive and Inverter Systems, Solar Inverters and Energy Storage, Transportation and Rail.
Industrial Fieldbus Networks
The ADM2587EBRWZ is ideal for industrial fieldbus networks like PROFIBUS and Modbus. Its 500 kbps data rate matches the requirements of these protocols, while the 2.5 kV isolation protects against ground potential differences between nodes. The integrated DC-DC converter simplifies power supply design, reducing component count and board space. In a typical Modbus network, the transceiver connects to a PLC or sensor, with the isolated side powered by the integrated converter, ensuring reliable communication in electrically noisy environments.
Recommended
Building Automation and HVAC
In building automation systems, the ADM2587EBRWZ provides isolated RS-485 communication between HVAC controllers, sensors, and actuators. The 2.5 kV isolation ensures safety and reliability in installations where long cable runs and ground loops are common. The integrated power isolation eliminates the need for separate isolated power supplies, simplifying installation and reducing cost. The device's wide operating temperature range (-40Β°C to +85Β°C) makes it suitable for rooftop units and outdoor sensors.
Recommended
Isolated Data Acquisition
The ADM2587EBRWZ is used in isolated data acquisition systems to transmit sensor data from high-voltage or noisy environments to a central controller. The 25 kV/Β΅s CMTI ensures data integrity in the presence of fast transients, while the Β±15 kV ESD protection guards against electrostatic discharge during handling and operation. The integrated DC-DC converter provides a clean, isolated supply for the sensor side, reducing noise and improving measurement accuracy.
Recommended
Motor Drive and Inverter Systems
In motor drives and inverters, the ADM2587EBRWZ provides isolated communication between the control board and the power stage. The high CMTI (25 kV/Β΅s) is essential to prevent data corruption caused by fast switching transients. The integrated power isolation simplifies the design of the isolated side, which is often at a different ground potential. The device's robust ESD protection and wide temperature range make it suitable for harsh industrial environments.
Recommended
Solar Inverters and Energy Storage
The ADM2587EBRWZ is used in solar inverters and energy storage systems for isolated communication between the battery management system (BMS) and the inverter controller. The 2.5 kV isolation protects against high voltages and ground faults, while the integrated DC-DC converter provides a stable isolated supply for the BMS. The device's high ESD protection and CMTI ensure reliable operation in outdoor environments with frequent lightning-induced transients.
Recommended
Transportation and Rail
In transportation systems, the ADM2587EBRWZ provides isolated RS-485 communication for train control, signaling, and passenger information systems. The wide operating temperature range and high isolation voltage make it suitable for outdoor and under-hood applications. The integrated power isolation reduces the complexity of powering remote nodes, which is critical in long trains with multiple communication points.
Recommended
Recommended Products Summary
Engineering reference data for ADM2587EBRWZ β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADM2587EBRWZ-REEL7 | ADM2582EBRWZ | ISO3082DW | ISL32704EIBZ | MAX14850 |
|---|---|---|---|---|---|---|
| Package | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (same) | 20-SOIC (same) | 20-SOIC (same) | 20-SOIC (same) | 20-SOIC (same) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Renesas Electronics | Maxim Integrated |
| Isolation Voltage | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 600 Vrms |
| Data Rate | 500 kbps | 500 kbps | 500 kbps | 200 kbps | 40 Mbps | 20 Mbps |
| Integrated Power Isolation | Yes | Yes | Yes | No | No | No |
| ESD Protection | Β±15 kV | Β±15 kV | Β±15 kV | Β±16 kV | Β±12 kV | Β±15 kV |
| CMTI | 25 kV/Β΅s | 25 kV/Β΅s | 25 kV/Β΅s | 25 kV/Β΅s | 50 kV/Β΅s | 50 kV/Β΅s |
| Duplex | Full/Half | Full/Half | Half | Full/Half | Full/Half | Full/Half |
Key Differentiators
- Integrated power isolation (vs ISO3082DW)
- Higher data rate than ISO3082DW (vs ISO3082DW)
- Full-duplex capability (vs ADM2582EBRWZ)
Design Notes
For optimal isolation performance, maintain a minimum creepage distance of 8 mm between the primary and secondary sides on the PCB. Place the ADM2587E with the isolation barrier clearly separating the two ground planes. Use a solid ground plane under the device to reduce EMI and ensure proper thermal dissipation.
The integrated DC-DC converter requires a 5V supply on VCC and provides a regulated 5V output on VISO. Decouple VCC with a 10 Β΅F ceramic capacitor and VISO with a 10 Β΅F capacitor placed close to the pins. The converter can supply up to 100 mA to the bus side; ensure the total load on VISO does not exceed this limit.
At high data rates and ambient temperatures, the ADM2587E may dissipate significant power. The 20-SOIC package has a thermal resistance of approximately 75Β°C/W. For reliable operation, ensure adequate airflow or a thermal pad connected to a copper pour. In extreme cases, reduce the data rate or add a heatsink.
Compliance Information
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
