IM130710001

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MAX485 MODULE (Itead IM130710001)

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MAX485 MODULE (Itead IM130710001)

On-board MAX485 chip is a low-power and slew-rate-limited transceiver used for RS-485 communication. It works at a single +5V power supply and the rated current is 300 μA. Adopting half-duplex communication to implement the function of converting TTL level into RS-485 level, it can achieve a maximum transmission rate of 2.5Mbps. MAX485 transceiver draws supply current of between 120μA and 500μA under the unloaded or fully loaded conditions when the driver is disabled. The driver is limited for short-circuit current and the driver outputs can be placed at a high impedance state through the thermal shutdown circuit. The receiver input has a fail-safe feature that guarantees logic high output if the input is open circuit. In addition, it has a strong anti-interference performance.

Specifications

  • Board dimension:44(mm)x14(mm)
  • Working voltage:5V
  • Connect to 5.08 (mm) 2P terminal on board, for wiring of RS-485 to communicate
  • All pins on the chip have been broken out, which can be controlled and operated via microcontroller

Applications

  • Low-Power RS-485 Transceivers
  • Low-Power RS-422 Transceivers
  • Level Translators
  • Transceivers for EMI-Sensitive Applications
  • Industrial-Control Local Area Networks

 

Datasheet

Schematic

Demo Code

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