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THVD1450DR - Texas Instruments

Description: 3.3-V to 5-V RS-485 Transceivers With ±16-kV IEC ESD Protection

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THVD1450DR Details

  • Manufacturer Part Number:

    THVD1450DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2017-11-19

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000062 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485-A; TIA-485-A

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.008 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    40 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    3 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    20 ns

  • Width:

    3.9 mm

THVD1450DR Frequently Asked Questions (FAQs)

  • A good PCB layout for the THVD1450DR involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. TI provides a recommended PCB layout in the datasheet and application notes.
  • To ensure reliable operation in high-temperature environments, ensure that the device is operated within its specified temperature range (-40°C to 125°C), use a heat sink if necessary, and follow proper thermal design and layout guidelines.
  • To mitigate EMI and RFI, use a shielded enclosure, keep the device away from antennas and other EMI sources, use a common-mode choke or ferrite bead on the input, and follow proper PCB layout and grounding techniques.
  • To troubleshoot issues with the THVD1450DR, check the input voltage, output load, and PCB layout for any anomalies. Use an oscilloscope to measure the output voltage and current, and consult the datasheet and application notes for troubleshooting guidelines.
  • When using the THVD1450DR in a redundant or fault-tolerant system, ensure that the devices are properly synchronized, and consider using a redundant power supply and/or a backup voltage regulator to ensure system reliability.

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THVD1450DR 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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