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ISOW1412DFMR - Texas Instruments

Description: ISOW14x2 5-kVRMS Reinforced Isolated RS-485/RS-422 Transceiver with Integrated Low-Emissions, Low-Noise, High-Efficiency DC-DC Converter

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PCB Footprints
ISOW1412DFMR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DFM0020A-1
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ISOW1412DFMR - Texas Instruments  - 3D model - Small Outline Packages - DFM0020A-1
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ISOW1412DFMR Details

  • Manufacturer Part Number:

    ISOW1412DFMR

  • 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

  • Date Of Intro:

    2020-09-06

  • 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:

    158 mA

  • Supply Voltage-Max:

    5.5 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

  • Temperature Grade:

    INDUSTRIAL

  • 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

ISOW1412DFMR 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 reliable communication protocol like SPI or I2C, and ensure proper signal termination and impedance matching. Also, use a common mode filter or a ferrite bead to reduce EMI.
  • The maximum cable length depends on the specific application and the type of cable used. However, as a general guideline, the ISOW1412DFMR can support cable lengths up to 100 meters at 100 Mbps.
  • Use a common mode filter or a TVS diode to protect the ISOW1412DFMR from common mode voltage transients. Also, ensure that the device is properly grounded and decoupled.
  • Power up the device in the following sequence: VCC, then VISO, and finally the digital supply (VDD). Ensure that the power supplies are stable and within the recommended voltage range.

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ISOW1412DFMR 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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