Analog Devices have launched the industry's first RS-485 transceivers which are fully certified for Level 4 EMC surge protection, thus eliminating the need for external transient-voltage surge-suppression devices. The galvanically isolated ADM2795E, using Analog Devices iCoupler® magnetic-isolation technology, and the non-isolated ADM3095E save space and component count, speed time to market, and greatly minimize regulatory compliance issues.
The integrated fault protection offered by the ADM2795E and ADM3095E devices prevents potentially destructive voltages from damaging the communication interface, which can result from failures, surges, electrostatic discharge (ESD), and wiring errors. Designers using the new RS-485 transceivers no longer need to individually design, test, verify, and formally obtain regulatory certification of their implementation, as these components already have the required approval. Furthermore, no external protective components are needed, which eliminates the need to match these discrete devices to the specific RS-485 transceivers that users may have selected. This helps to simplify the Bill of Materials, reduces the required board space and footprint allowing a higher density of RS-485 ports.
The ADM2795E and ADM3095E RS-485 transceivers meet IEC61000-4-5 Level 4 surge protection requirements, as well as industrial IEC immunity standards (radiated, conducted, and magnetic immunity) and EMC protection against ESD, electrical fast transient (EFT), and surge. Both devices are TIA/EIA RS-485/RS-422 compliant over their full supply range of 3 V to 5.5 V. In addition, the available evaluation boards, IBIS models, safety and regulatory compliance certificates and application notes available for the RS-485 transceivers greatly simplify the design-in process.
Block Diagram ADM2795E
Data
Application Notes
Block Diagram ADM3095E
The devices are supported by the EVAL-ADM2795EEBZ and EVAL-ADM3095EEBZ evaluation boards which can be easily configured through jumper connections and feature screw terminal blocks for convenient signal and power connections.
Anglia are offering customers FREE samples and evaluation boards for the ADM2795E and ADM3095E RS-485 transceivers from Analog Devices, please fill in the form below to register your interest now.
FREE samples for UK and Ireland customers only, subject to availability.
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