LTC486IN#PBF

LTC486IN#PBF is a quad low power RS485 driver. It is a low power differential bus/line driver designed for multipoint data transmission standard RS485 applications with extended common-mode range (12V to -7V). It also meets RS422 requirements. The CMOS design offers significant power savings over its bipolar counter part 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. Application includes low power RS485/RS422 drivers, level translator.

• Supply current is 110µA typ (no load, output enabled, -40°C to 85°C)
• Designed for RS485 or RS422 applications, single 5V supply
• Thermal shutdown protection, input current is ±2µA max at (DI, EN, active-low EN, -40 to 85°C)
• Power-up/down glitch-free driver outputs permit live insertion/removal of package
• Driver maintains high impedance in three-state or with the power off
• 28ns typical driver propagation delays with 5ns skew
• Pin compatible with the SN75172, DS96172, µA96172, and DS96F172
• Driver common-mode output voltage is 3V max (-40°C to 85°C)
• High impedance state output current is ±10µA typ (VOUT = -7 to 12V, -40 to 85°C)
• 16 lead plastic DIP package, operating temperature range from -40°C to 85°C

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