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ISOW1432DFMR - 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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ISOW1432DFMR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DFM0020A
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ISOW1432DFMR - Texas Instruments  - 3D model - Small Outline Packages - DFM0020A
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ISOW1432DFMR Details

  • Manufacturer Part Number:

    ISOW1432DFMR

  • 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

ISOW1432DFMR 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 sections separate, and use a ferrite bead or a 10-ohm resistor in series with the VCC pin to reduce noise.
  • Use a shielded cable, twisted pair, or a coaxial cable for the CAN bus. Implement a common-mode choke or a ferrite bead on the CAN bus lines to reduce electromagnetic interference (EMI).
  • The maximum cable length depends on the baud rate and the specific application. As a general guideline, the maximum cable length is 40 meters at 1 Mbps, 20 meters at 500 kbps, and 10 meters at 100 kbps.
  • Implement a watchdog timer to detect and recover from bus faults. Use the ISOW1432DFMR's built-in error detection mechanisms, such as the Error Passive and Error Warning flags, to detect and respond to errors on the CAN bus.
  • Power up the VCC pin first, followed by the VIO pin. Ensure that the VCC pin is stable before applying a voltage to the VIO pin.

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ISOW1432DFMR 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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