ANALOG DEVICES INC. ADM2867E Isolated RS-485 Transceivers | New Product BriefAugust 26, 2020 by Mouser Electronics
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ANALOG DEVICES INC. ADM2867E Isolated RS-485 Transceivers
Analog Devices ADM2867E Isolated RS-485 Transceivers provide galvanic isolation in a compact package while simplifying design and compliance with EMC standards.
The ADM2867E transceivers provide 5.7kVrms of signal and power isolation using chip scale coplanar transformer coils. They support data rates up to 25Mbps and have a smart cable invert function that can be implemented in software to correct for installation errors. The RS-485 bus pins also have robust ESD protection for operation in harsh environments. ADM2867E isolated RS-485 transceivers also have flexible power supplies and integrate an isolated dc-to-dc converter that can output 90mA at 3.3V or 5V.
The dc-to-dc converter has low radiated emissions and can pass EN55032 Class B limits on a 2 layer PCB.
- 5.7kVrms isolated RS-485/RS-422 transceiver
- High speed 25Mbps data rate
- Cable invert function corrects reversed cable connection on A, B, Y, and Z bus pins
- ESD protection on RS-485 A, B, Y, and Z pins
- ≥±12 kV IEC61000-4-2 contact discharge
- ≥±15 kV IEC61000-4-2 air discharge
- Flexible Power Supplies
- VCC: 3V to 5.5V
- VIO: 1.7V to 5.5V
- Isolated DC-to-DC converter
- 90mA at 3.3V or 5V output
- Passes EN55032 Class B with margin on a 2-layer PCB
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