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LTC487 Datasheet PDF

Linear Technology LTC487

The LTC®487 is a low power differential bus/line driver designed for multipoint data transmission standard RS485 applications with extended common mode range (– 7V to 12V). It also meets RS422 requirements.
Part No. LTC487
Datasheet LTC487 Download
Manufacturer
Linear Technology
Description Quad Low Power RS485 Driver
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LTC487 datasheet page 1 preview

FEATURES

n Very Low Power: ICC = 110µA Typ n Designed for RS485 or RS422

APPLICATIONS

n Single 5V Supply n – 7V to 12V Bus Common Mode Range Permits ±7V GND Difference Between Devices on the Bus n Thermal Shutdown Protection n Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion/Removal of Package n Driver Maintains High Impedance in Three-State or with the Power Off n 28ns Typical Driver Propagation Delays with 5ns Skew n Pin Compatible with the SN75174, DS96174, µA96174, and DS96F174

APPLICATIONS

n Low Power RS485/RS422 Drivers n Level Translator

DESCRIPTION

It also meets RS422 requirements. The CMOS design offers significant power savings over its bipolar counterpart without sacrificing ruggedness against overload or ESD damage. The driver features 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.
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