RS485 Isolator click

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  • MIKROE-2673
  • MIKROE-2673
RS485 Isolator click  is a RS485 communication isolator, and carries...more
Product information "RS485 Isolator click"

RS485 Isolator click is a RS485 communication isolator, and carries the ADM2682EBRIZ, a 5 kV rms signal and power isolated RS-485 transceiver. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target microcontroller over UART interface, with additional functionality provided by the RST and CS pin on the mikroBUS™ line.

Use the click for isolating RS485 communication, and preventing voltage spikes from destroying sensitive equipment.

ADM2682EBRIZ transceiver features

The ADM2682EBRIZ is a fully integrated 5 kV rms signal and power isolated data transceiver with ±15 kV ESD protection that is suitable for high speed communication on multipoint transmission lines. The ADM2682EBRIZ includes an integrated 5 kV rms isolated dc-to-dc power supply that eliminates the need for an external dc-to-dc isolation block.


Type RS485,Isolator
Applications Isolated RS-485 interfaces, industrial field networks, multipoint data transmission systems
On-board modules ADM2682EBRIZ
Key Benefits Full a duplex RS485, Isolated; no need for another isolated power supply
Interface UART,GPIO
Input Voltage 3.3V or 5V
Compatibility mikroBUS
Click board size M (42.9 x 25.4 mm)

Pinout diagram

This table shows how the pinout on RS485 Isolator click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes Pin mikroBUS logo.png Pin Notes
  NC 1 AN PWM 16 NC  
Receiver enable RE 2 RST INT 15 NC  
Driver enable DE 3 CS TX 14 RXD Receiver Output Data
  NC 4 SCK RX 13 TXD Driver Input
  NC 5 MISO SCL 12 NC  
  NC 6 MOSI SDA 11 NC  
Power supply +3.3V 7 3.3V 5V 10 +5V Power supply
Ground GND 8 GND GND 9 GND Ground

Jumpers and settings

Designator Name Default Position Default Option Description
JP1 PWR.SEL. Left 3V3 Power Supply Voltage Selection 3V3/5V, left position 3V3, right position 5V

LEDs and buttons

Designator Name Type Description
TB1   SCREW TERMINAL A and B part of RS485 comm lines.
TB2   SCREW TERMINAL Y and Z part of RS485 comm lines


 mikroBUS™ Standard specification 

 ADM2682EBRIZ datasheet

 RS485 Isolator click schematic

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