ADM2795EBRWZ-RL7

Overview

The ADM2795EBRWZ-RL7 is a robust, signal-isolated RS-485/RS-422 transceiver manufactured by Analog Devices Inc. It integrates iCoupler technology to provide 5 kV rms isolation between the logic and bus sides. The device features certified Level 4 EMC protection on the A and B bus pins, including IEC 61000-4-5 surge protection of ±4 kV, IEC 61000-4-4 EFT protection of ±2 kV, and IEC 61000-4-2 ESD protection up to ±15 kV air discharge. It supports data rates up to 2.5 Mbps and operates with a VDD1 supply range of 1.7 V to 5.5 V and a VDD2 supply range of 3 V to 5.5 V. The component offers ±42 V AC/DC peak fault protection on the bus pins and functions reliably over an extended temperature range from -40°C to +125°C.

Feature Summary

• Integrates 5 kV rms reinforced insulation using iCoupler magnetic technology for safe electrical isolation.
• Provides certified Level 4 IEC electromagnetic compatibility protection directly on the RS-485 bus pins without external components.
• Features full ±42 V AC/DC peak fault protection on the A and B bus pins to prevent damage from miswiring or surges.
• Supports flexible logic interfacing with a low-voltage 1.7 V to 5.5 V input supply range.

Applications

• Heating, ventilation, and air conditioning (HVAC) networks
• Industrial field buses
• Building automation systems
• Utility networks

Procurement Notes

Verify the specific ordering suffix RWZ-RL7 against the manufacturer's current datasheet to confirm package type and reel specifications. Ensure that the procurement documentation matches the exact part number to avoid receiving non-isolated variants or different packaging formats. Cross-reference safety certifications such as UL 1577 and VDE requirements if the application demands specific regulatory compliance records.

Selection Notes

Select this component when high noise immunity and galvanic isolation are required in harsh industrial environments. The integrated EMC protection eliminates the need for discrete transient voltage suppressors, simplifying the bill of materials. Consider the wide common-mode input range of ±25 V for applications involving significant ground potential differences between nodes.

Part Context

This device belongs to the ADM2795E series of isolated RS-485 transceivers. It is designed to replace traditional solutions that require separate isolators and external protection circuits. The integration of the transceiver, isolator, and EMC protection into a single 16-lead SOIC package reduces board space and design complexity for robust communication interfaces.

Replacement Considerations

Public confirmed substitute part numbers: None identified in verified documentation.