LTC1487

PRODUCTION

Ultra-Low Power RS485 with Low EMI, Shutdown and High Input Impedance

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Part Models
3
1ku List Price
Starting From $1.86
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    Part Details

    • High Input Impedance: Up to 256 Transceivers on the Bus
    • Low Power: ICC = 120µA Max with Driver Disabled
    • ICC = 200µA Max with Driver Enabled, No Load
    • 1µA Quiescent Current in Shutdown Mode
    • Controlled Slew Rate Driver for Reduced EMI
    • Single 5V Supply
    • ESD Protection to ±10kV On Receiver Inputs and Driver outputs
    • -7V to 12V Common-Mode Range Permits ±7V Ground Difference Between Devices on the Data Line
    • Thermal Shutdown Protection
    • Power Up/Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Transceiver
    • Driver Maintains High Impedance in Three-State or with the Power Off
    • Pin Compatible with the LTC485
    LTC1487
    Ultra-Low Power RS485 with Low EMI, Shutdown and High Input Impedance
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    Documentation

    Data Sheet 1

    Reliability Data 1

    User Guide 1

    Design Note 1

    Data Sheet

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    Software Resources

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    Hardware Ecosystem

    Parts Product Life Cycle Description
    Isolated RS-485 1
    LTM2881
    		PRODUCTION Complete Isolated RS485/RS422 μModule Transceiver + Power
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    Evaluation Kits

    eval board
    schematic 1
    EVAL-RS485HDEBZ

    Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ

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    Product Details

    The EVAL-RS485HDEBZ allows quick and easy evaluation of half-duplex RS-485 transceivers with standard 8-lead SOIC footprints. The evaluation board allows interfacing via screw terminal block to digital I/O for driver input (DI), receiver output (RO), driver enable (DE) and receiver output (RO). Bus signals A and B (half-duplex bus) can be connected to a bus screw terminal block. One or two termination resistors can be connected to A and B via jumper settings, in order to evaluation the half-duplex RS-485 driver and receiver. Footprints are provided for pull-up and pull-down (biasing resistors) on the bus.

    Devices for evaluation on the board must be ordered separately.
    EVAL-RS485HDEBZ
    Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ

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