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ADM3490:  3.3 V FULL - DUPLEX LOW POWER TRANSCEIVER

The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are low power, differential line transceivers designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, makes the ADM3483/ADM3485/ADM3488/ ADM3490/ADM3491 ideal for power-sensitive applications.

The ADM3488/ADM3490/ADM3491 feature full-duplex com-munication, while the ADM3483/ADM3485 are designed ...More

ADM3490:  3.3 V FULL - DUPLEX LOW POWER TRANSCEIVER

Product Description

The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are low power, differential line transceivers designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, makes the ADM3483/ADM3485/ADM3488/ ADM3490/ADM3491 ideal for power-sensitive applications.

The ADM3488/ADM3490/ADM3491 feature full-duplex com-munication, while the ADM3483/ADM3485 are designed for half-duplex communication.

The ADM3485/ADM3490/ADM3491 transmit at up to 10 Mbps. The receiver input impedance is 12 kΩ, allowing up to 32 trans-ceivers to be connected on the bus. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting. If a significant temperature increase is detected in the internal driver circuitry during fault conditions, then the thermal shutdown circuit forces the driver output into a high impedance state. If the inputs are unconnected (floating), the receiver contains a fail-safe feature that results in a logic high output state. The parts are fully specified over the commercial and industrial temperature ranges. The ADM3483/ADM3485/ADM3488/ADM3490 are available in 8-lead SOIC_N; the ADM3491 is available in a 14-lead SOIC_N.

Applications

  • Low-Power RS-485 Applications
  • Telecom
  • Industrial Process Control
  • HVAC

    • RESOURCES & TOOLS

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    • Operate with 3.3 V supply
    • Interoperable with 5 V logic
    • EIA RS-485/RS-422 Compliant over Full Common-Range
    • Data Rate Options: 10 Mbps
    • Half and Full Duplex Options
    • Up to 32 Transceivers on a Bus
    • -7V to +12V Bus Common Mode Range
    • Specified over –40°C to +85°C Temperature Range
    • 8 ns skew
    • Available in 8-Lead SOIC
    • Isolation V (rms): ---
    • Available Packages: SOIC
    • ESD-Protection: ---
    • Pwr Supply (Vnom): +3.3
    • Data Rate: 10Mbps
    • Full-Half Duplex: Full
    • # of Nodes On Bus: 32
    • Drvr/Rcvr Enable: No
    • Fail Safe: Open

    Functional Block Diagram for ADM3490

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    Temperature Range
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    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
    • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
    • Automotive: -40 to +125 degrees Celsius
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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.