Product Summary
The LTC1690CS8#PBF is a Differential Driver and Receiver Pair. The LTC1690CS8#PBF is a low power receiver/driver pair that is compatible with the requirements of RS485 and RS422. The receiver offers a fail-safe feature that guarantees a high receiver output state when the inputs are left open, shorted together or terminated with no signal present. No external components are required to ensure the high receiver output state. Separate driver output and receiver input pins allow full duplex operation. 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 LTC1690CS8#PBF is fully specified over the commercial and industrial temperature ranges. The LTC1690CS8#PBF is available in 8-Pin SO, MSOP and PDIP packages. The applications of the LTC1690CS8#PBF include Battery-Powered RS485/RS422 Applications, Low Power RS485/RS422 Transceiver, Level Translator and Line Repeater.
Parametrics
LTC1690CS8#PBF absolute maximum ratings: (1)Supply Voltage (VCC): 6.5V; (2)Driver Input Voltage: –0.3V to (VCC + 0.3V); (3)Driver Output Voltages: –7V to 10V; (4)Receiver Input Voltages: ±14V; (5)Receiver Output Voltage: –0.3V to (VCC + 0.3V); (6)Junction Temperature: 125℃; (7)Operating Temperature Range: 0℃ ≤ TA ≤ 70℃; (8)Storage Temperature Range: –65℃ to 150℃; (9)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LTC1690CS8#PBF features: (1)No Damage or Latchup to ±15kV ESD (Human Body Model), IEC1000-4-2 Level 4 (±8kV) Contact and Level 3 (±8kV) Air Discharge; (2)Guaranteed High Receiver Output State for Floating, Shorted or Terminated Inputs with No Signal Present; (3)Drives Low Cost Residential Telephone Wires; (4)ICC = 600mA Max with No Load; (5)Single 5V Supply; (6)–7V to 12V Common Mode Range Permits ±7V Ground Difference Between Devices on the Data Line; (7)Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Transceiver; (8)Driver Maintains High Impedance with the Power Off; (9)Up to 32 Transceivers on the Bus; (10)Pin Compatible with the SN75179 and LTC490; (11)Available in SO, MSOP and PDIP Packages.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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LTC1690CS8#PBF |
IC RCVR/DVR PAIR LOW PWR 8-SOIC |
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LTC1040 |
Other |
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IC COMPARATOR LOW PWR DUAL 18DIP |
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LTC1040CN#PBF |
IC COMPARATOR LOW PWR DUAL 18DIP |
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IC COMPARATOR LOW PWR DUAL18SOIC |
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IC COMPARATOR LOW PWR DUAL18SOIC |
Data Sheet |
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IC COMPARATOR DUAL LOWPWR 18SOIC |
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