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LTC1690

Features: No Damage or Latchup to ±15kV ESD (Human Body Model), IEC1000-4-2 Level 4 (±8kV) Contact and Level 3 (±8kV) Air Discharge Guaranteed High Receiver Output State for Floating, Shorted or Terminated Inputs with No Signal Present Drives Low Cost Residential Telephone Wires ICC= 600 µA...

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SeekIC No. : 004401800 Detail

LTC1690: Features: No Damage or Latchup to ±15kV ESD (Human Body Model), IEC1000-4-2 Level 4 (±8kV) Contact and Level 3 (±8kV) Air Discharge Guaranteed High Receiver Output State for Floating, Shorted or Te...

LTC1690 Data Sheet

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Part Number:
LTC1690
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/27

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Product Details

Description



Features:

No Damage or Latchup to ±15kV ESD (Human Body
   Model), IEC1000-4-2 Level 4 (±8kV) Contact and
   Level 3 (±8kV) Air Discharge
Guaranteed High Receiver Output State for
   Floating, Shorted or Terminated Inputs with No
   Signal Present
Drives Low Cost Residential Telephone Wires
ICC = 600 µA Max with No Load
Single 5V Supply
7V to 12V Common Mode Range Permits ±7V
   Ground Difference Between Devices on the Data Line
Power-Up/Down Glitch-Free Driver Outputs Permit
   Live Insertion or Removal of Transceiver
Driver Maintains High Impedance with the Power Off
Up to 32 Transceivers on the Bus
Pin Compatible with the SN75179 and LTC490
Available in SO, MSOP and PDIP Packages


Application

Battery-Powered RS485/RS422 Applications
Low Power RS485/RS422 Transceiver
Level Translator
Line Repeater


Pinout

Connection Diagram


Specifications

Supply Voltage (VCC)..............................................6.5V
Driver Input Voltage.....................0.3V to (VCC + 0.3V)
Driver Output Voltages.................................7V to 10V
Receiver Input Voltages.........................................±14V
Receiver Output Voltage..............0.3V to (VCC + 0.3V)
Junction Temperature...........................................125°C
Operating Temperature Range
    LTC1690C..........................................0°C  TA 70°C
    LTC1690I..................................... 40°C  TA  85°C
Storage Temperature Range.................65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................300°C


Description

The LTC®1690 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 shut down circuit which forces the driver outputs into a high impedance state.

The LTC1690 is fully specified over the commercial and industrial temperature ranges. The LTC1690 is available in 8-Pin SO, MSOP and PDIP packages.




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