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LTC485 Data Sheet

Low Power RS485 Interface Transceiver

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LTC485
FEATURES nn Low Power: ICC = 300μA Typ nn Designed for RS485 Interface Applications nn Single 5V Supply nn –7V to 12V Bus Common Mode Range Permits ±7V Ground Difference Between Devices on the Bus nn Thermal Shutdown Protection nn Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Transceiver nn Driver Maintains High Impedance in Three-State or with the Power Off nn Combined Impedance of a Driver Output and Receiver Allows Up to 32 Transceivers on the Bus nn 70mV Typical Input Hysteresis nn 30ns Typical Driver Propagation Delays with 5ns Skew for Up to 2.5MB Operation nn Pin Compatible with ±60V Protected LTC2862 APPLICATIONS nn Low Power RS485/RS422 Transceiver nn Level Translator LTC485 Low Power RS485 Interface Transceiver DESCRIPTION The LTC®485 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 CMO.
LTC485

Download LTC485 Datasheet
FEATURES nn Low Power: ICC = 300μA Typ nn Designed for RS485 Interface Applications nn Single 5V Supply nn –7V to 12V Bus Common Mode Range Permits ±7V Ground Difference Between Devices on the Bus nn Thermal Shutdown Protection nn Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Transceiver nn Driver Maintains High Impedance in Three-State or with the Power Off nn Combined Impedance of a Driver Output and Receiver Allows Up to 32 Transceivers on the Bus nn 70mV Typical Input Hysteresis nn 30ns Typical Driver Propagation Delays with 5ns Skew for Up to 2.5MB Operation nn Pin Compatible with ±60V Protected LTC2862 APPLICATIONS nn Low Power RS485/RS422 Transceiver nn Level Translator LTC485 Low Power RS485 Interface Transceiver DESCRIPTION The LTC®485 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 or ESD damage. The driver and receiver 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.


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