SPI Isolation Board

SPI Isolation Board

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The isolated SPI module is designed for applications, where SPI signals need to be transferred over longer distances than usually. It is based on Linear’s LTC6820. The board is designed as two layer stack-up, with GND plane on the bottom layer and signal traces and components at the top layer. Signals and power are supplied over standard 100mil (2.54mm) pitch IDC header.

Specification

  • Dimension: 40.005 mm x 30.099 mm (1.575″ x 1.185″)
  • 1 Mbps Isolated SPI Data Communication at 10m
  • 500 kbps Isolated SPI Data Communication at 100m
  • Galvanic Isolation Barrier using standard transformer (1500V)
  • Requires no software changes in most SPI systems
  • 3.5V to 15V power supply
  • SPI mode can be adjust via on-board jumpers
  • can act as Master or Slave (adjustable via jumper)
  • screw terminal for twisted pair cable (i.e. as in CAT5 Ethernet cable)

SPI Isolation Board – [Link]

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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