RS485 transceiver delivers in extreme temperature and high noise environments

From Analog Devices comes the LTC2879X extreme temperature 175 degrees C ±60V fault tolerant RS485/RS422 transceiver. The device is engineered to operate in demanding temperature ranges and is 100% tested to specifications at 175 degrees C.

Features such as enhanced overvoltage fault protection and extreme electrical overstress protection ensure reliable data communications against the most common threats in electrically noisy environments.

Key features include ±60V overvoltage protection and ±25V common mode range, ±52kV ESD interface pins, ±15kV all other pins and ±2kV (Level 4) IEC61000-4-4 fast transient burst

The transceiver also has 5x receiver hysteresis (240mV) compared with standard RS485 transceivers, 3V to 5.5V supply voltage and TIA/EIA-485-A and PROFIBUS IEC 61158-2 Compliant

The LTC2879X’s tiny 3mm x 3mm footprint is 50 per cent smaller than comparable devices, says the company, which helps lower PCB costs and develop condensed design formats.

The extreme temperature range, rugged fault tolerance, and low-drift, low-leakage circuitry of the LTC2879X device suits it for use in oil and gas exploration, industrial control, and aerospace and defence applications.

The LTC2879 is available now. Prices start at $29.90 each per 100.

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