(Hong Kong)
Product Summary
The LTC1687CS#TR is a high speed, precision delay, full-duplex RS485 transceivers that can operate at data rates as high as 52Mbps. The devices also meet the requirements of RS422. A unique architecture provides very stable propagation delays and low skew over a wide common mode and ambient temperature range. The applications of the LTC1687CS#TR include High Speed RS485/RS422 Full Duplex Transceivers, Level Translator, Backplane Transceiver, STS-1/OC-1 Data Transceiver, Signal Repeaters.
Parametrics
LTC1687CS#TR absolute maximum ratings: (1)Supply Voltage (VDD): 10V; (2)Control Input Currents: -100mA to 100mA; (3)Control Input Voltages: -0.5V to VDD + 0.5V; (4)Driver Input Voltages: -0.5V to VDD + 0.5V; (5)Driver Output Voltages: +12V/-7V; (6)Receiver Input Voltages: +12V/-7V; (7)Receiver Output Voltages: -0.5V to VDD + 0.5V; (8)Receiver Input Differential: 10V; (9)Short-Circuit Duration (Driver VOUT: -7V to 10V, Receiver VOUT: 0V to VDD): Indefinite; (10)Operating Temperature Range: 0℃ to 70℃; (11)Storage Temperature Range: -65℃ to 150℃; (12)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LTC1687CS#TR features: (1)Precision Propagation Delay Over Temperature: Receiver/Driver: 18.5ns ±3.5ns; (2)High Data Rate: 52Mbps; (3)Low tPLH/tPHL Skew: Receiver/Driver: 500ps Typ; (4)-7V to 12V RS485 Input Common Mode Range; (5)Guaranteed Fail-Safe Operation Over the Entire Common Mode Range; (6)High Input Resistance: 322k, Even When Unpowered; (7)Short-Circuit Protected; (8)Thermal Shutdown Protected; (9)Driver Maintains High Impedance in Three-State or with Power Off; (10)Single 5V Supply; (11)Pin Compatible with LTC490/LTC491; (12)45dB CMRR at 26MHz.
Diagrams
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 LTC1687CS#TR |
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IC TXRX RS485 PREC DELAY 14SOIC |
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LTC1687CS#TRPBF |
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IC TXRX RS485 PREC DELAY 14-SOIC |
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