Rugged transceiver features enhanced overvoltage fault protection
Analog Devices has introduced the LTC2879X, an extreme temperature 175°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°C.
Features such as enhanced overvoltage fault protection and extreme electrical overstress (EOS) protection ensure reliable data communications against the most common threats in electrically noisy environments.
The LTC2879X’s tiny 3x3mm footprint is 50% smaller than comparable devices, 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 make it well suited for use in oil and gas exploration, industrial control, and aerospace and defense applications.
Summary of features: LTC2879X
- -55°C to 175°C guaranteed operation
- ±60V overvoltage protection and ±25V common mode range
- ±52kV ESD interface pins, ±15kV all other pins
- ±2kV (Level 4) IEC61000-4-4 fast transient burst
- 5x receiver hysteresis (240mV) compared to standard RS485 transceivers
- 3-5.5V supply voltage
- TIA/EIA-485-A & PROFIBUS IEC 61158-2 compliant
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