Features: Low Power: ICC = 300A Typ Designed for RS485 Interface Applications Single 5V supply 7V to 12V Bus Common-Mode Range Permits ±7V Ground Difference Between Devices on the Bus Thermal Shutdown Protection Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Transcei...
LTC485: Features: Low Power: ICC = 300A Typ Designed for RS485 Interface Applications Single 5V supply 7V to 12V Bus Common-Mode Range Permits ±7V Ground Difference Between Devices on the Bus Thermal Shutd...
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The LTC485 is a low power differential bus/line transceiver designed for multipoint data transmission standard RS485 applications with extended common-mode range (12V to 7V). It also meets the requirements of RS422.
The CMOS design offers significant power savings over its bipolar counterpart without sacrificing ruggedness against overload of ESD damage.
The driver and receiver of LTC485 feature three-state outputs, with the driver outputs maintaining high impedance over the entire common-mode range. Excessive power dissipation caused by bus contention or faults is prevented by a thermal shutdown circuit which forces the driver outputs into a high impedance state.
The receiver has a fail-safe feature which guarantees a high output state when the inputs are left open.
The LTC485 is fully specified over the commercial and extended industrial temperature range.