NVE IL3685-1E

NVE IL3685-1E

The IL3685-1E PROFIBUS-compatible, galvanically isolated RS-485 transceiver from NVE offers data rate of 40Mbps and is designed for bidirectional data communication on balanced transmission lines, while being fully compliant with PROFIBUS specifications, including the differential output voltage. The IL3685 series is compatible with 3V and 5V power supplies. 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 an ultraminiature QSOP package.

  • Surface-mount PROFIBUS-compatible galvanically isolated RS-485 transceiver
  • 3V and 5V power supplies
  • Data rate of 40Mbps
  • 15kV bus ESD protection
  • Isolation of 2.5kVRMS per VDE V 0884-10
  • Working voltage of 600VRMS per VDE V 0884-10
  • Operating temperature range of −40°C to +85°C
  • Typical common mode transiend immunity of 50kV/μs (30kV/μs minimum)
  • Propagation delay as low as 20ns
  • Thermal shutdown protection
  • UL 1577 recognised, VDE V 0884-10 certified; meets or exceeds ANSI RS-485 and ISO 8482:1987(E)
  • Ultraminiature QSOP package

The IL3685 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 IL3685 series include:

  • PROFIBUS, PROFIBUS DP and FMS networks
  • Factory automation
  • Industrial control networks
  • Building environmental controls
  • Equipment covered under IEC 61010-1 Edition 3
The below table gives the recommended operating conditions for the NVE IL3685 isolated RS-485 transceiver series, including IL3685-1E:

NVE IL3685-1E Specifications
Specifications
Additional Features
  • PROFIBUS-compatible RS-485 isolated transceiver
  • Bus ESD protection 15kV
  • Typical common mode transient immunity of 50 kV/µs
  • Isolation of 2.5kVRMS
  • Working voltage of 600VRMS
  • 44000 year barrier life
  • Thermal shutdown protection
  • UL 1577 recognised and VDE V 0884-10 certified
  • QSOP package
Creepage Distance 3.2mm (NVE's True 8TM guarantee)
Maximum Data Rate 40Mbps
Operating Temperature -40°C to +85°C
Propagation Delay 20ns typical at 5V
Supply Voltage VDD1
  • 3V to 5.5V
VDD2
  • 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 IL3685-1E
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