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ISOW1432BDFMR - Texas Instruments

Description: RS-422/RS-485 Interface IC Low emissions, 5-kVrms, 12-Mbps isolated RS-485 transceiver with integrated DC/DC converter

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ISOW1432BDFMR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DFM0020A
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ISOW1432BDFMR - Texas Instruments  - 3D model - Small Outline Packages - DFM0020A
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ISOW1432BDFMR Details

  • Manufacturer Part Number:

    ISOW1432BDFMR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000025 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.83 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Low Current-Max:

    0.004 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    135 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    3.55 mm

  • Supply Current-Max:

    163 mA

  • Supply Voltage-Max:

    1.89 V

  • Supply Voltage-Min:

    1.71 V

  • Supply Voltage-Nom:

    1.8 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transmit Delay-Max:

    610 ns

  • Width:

    7.5 mm

ISOW1432BDFMR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a 10nF capacitor between VCC and GND for decoupling.
  • Use a common mode filter or a ferrite bead on the input lines to reduce electromagnetic interference (EMI). Ensure the isolation voltage rating is not exceeded, and the device is operated within the recommended temperature range.
  • The ISOW1432BDFMR supports data rates up to 100 Mbps. However, the actual data rate may be limited by the system's noise tolerance, cable length, and other environmental factors.
  • Power up the VCC side first, followed by the VISO side. During power-down, shut down the VISO side first, then the VCC side. This ensures proper device operation and prevents latch-up.
  • Use a shielded enclosure, keep the device away from high-frequency sources, and ensure proper grounding and shielding of cables. Implement EMI filters or common mode chokes on the input lines if necessary.

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ISOW1432BDFMR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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