The IL3022E low cost RS-485/RS422 isolated transceiver from NVE is designed to galvanically isolate bidirectional data communication over balanced transmission lines. The IL3022 series delivers at least 1.5V into a 27Ω load for excellent data integrity over long cables, and is also compatible with 3V input supplies, allowing interfacing to standard microcontrollers without additional level shifting. A unique ceramic/polymer composite barrier provides excellent isolation and virtually unlimited barrier life. This particular device uses NVE’s patented IsoLoop spintronic Giant Magnetoresistance (GMR) technology and comes in a 0.3" 16-pin SOIC package.

  • Low cost surface-mount RS-485/RS422 isolated transceiver
  • Power supply VDD1 3.3V to 5V, VDD2 4.5V to 5.5V
  • Data rate of 4Mbps
  • Bus ESD protection of 7kV
  • Isolation voltage of 2.5kVRMS per UL 1577
  • Working voltage of 600VRMS per VDE V 0884-10
  • Operating temperature range of −40°C to +85°C
  • Typical common mode rejection 50kV/μs (30kV/μs minimum)
  • Supports up to 32 nodes
  • Thermal shutdown protection
  • Typical propagation delay of 48ns (5V)
  • UL 1577 recognised; VDE V 0884-10 certified
  • 0.3" 16-pin SOIC package

The IL3011E has current limiting and thermal shutdown features to protect against output short circuits and bus contentions that may cause excessive power dissipation, and also incorporate a “fail-safe if open” design, ensuring a logic high on R if the bus lines are disconnected or “floating.”

Typical applications for the IL3022 series include:

  • Factory automation
  • Industrial control networks
  • Building environmental controls
  • Equipment covered under IEC 61010-1 Edition 3
  • 5kVRMS rated IEC 60601-1 medical applications
The below table gives the recommended operating conditions for the NVE IL3022E isolated RS485/RS422 transciever:

NVE IL3022E Specifications
Additional Features
  • Low cost Isolated RS-485/RS-422 transceiver
  • Bus ESD protection 7kV
  • Typical common mode transient immunity of 50 kV/µs
  • Isolation of 2.5 kVRMS
  • Thermal shutdown protection
  • UL 1577 recognized; VDE V 0884-10 certified
  • 0.3" 16-pin SOIC package
Creepage Distance 8.03mm
Maximum Data Rate 4Mbps
Operating Temperature -40°C to +85°C
Propagation Delay >48ns at 5V
Supply Voltage VDD1
  • 3V to 5.5V
  • 4.5V to 5.5V

This product is available fully compliant to the RoHS EU directive 2011/65/EU.

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  • Product Code: NVE IL3022E
  • SKU: NVE IL3022E
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