(Hong Kong)
Product Summary
The LTC487ISW#TR 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. The LTC487ISW#TR 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. The applications of the LTC487ISW#TR are (1)low power RS485/RS422 drivers; (2)level translator.
Parametrics
LTC487ISW#TR absolute maximum ratings: (1)Supply Voltage (VCC): 12V; (2)Control Input Voltages: –0.5V to VCC + 0.5V; (3)Driver Input Voltages: –0.5V to VCC + 0.5V; (4)Driver Output Voltages: ±14V; (5)Control Input Currents: ±25mA; (6)Driver Input Currents: ±25mA; (7)Operating Temperature Range; (8)Commercial: 0°C to 70°C,; (9)Industrial: –40°C to 85°C; (10)Storage Temperature Range: –65°C to 150°C; (11)Lead Temperature (Soldering, 10 sec.): 300°C.
Features
LTC487ISW#TR features: (1)Very Low Power: ICC = 110μA Typ; (2)Designed for RS485 or RS422 Applications; (3)Single 5V Supply; (4)–7V to 12V Bus Common-Mode Range Permits ±7V GND Difference Between Devices on the Bus; (5)Thermal Shutdown Protection; (6)Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion/Removal of Package; (7)Driver Maintains High Impedance in Three-State or with the Power Off; (8)28ns Typical Driver Propagation Delays with 5ns Skew; (9)Pin Compatible with the SN75174, DS96174, μA96174, and DS96F174.
Diagrams
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 LTC487ISW#TR |
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IC DRIVER RS485 QUAD LP 16SOIC |
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LTC487ISW#TRPBF |
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IC DVR RS485 LOW PWR QUAD 16SOIC |
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