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THVD1450D - Texas Instruments

Description: 3.3-V to 5-V RS-485 transceiver with ±18-kV IEC ESD protection

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THVD1450D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - (D0008A-H=1.75
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THVD1450D - Texas Instruments  - 3D model - Small Outline Packages - (D0008A-H=1.75
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THVD1450D Details

  • Manufacturer Part Number:

    THVD1450D

  • 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

THVD1450D Frequently Asked Questions (FAQs)

  • A good PCB layout for the THVD1450D 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.
  • The THVD1450D requires a stable power supply with minimal noise and ripple. Use a high-quality power supply, and decouple the device with a 0.1uF ceramic capacitor and a 10uF electrolytic capacitor in parallel, placed close to the device.
  • The THVD1450D supports cable lengths up to 100 meters, depending on the specific application and cable characteristics. However, longer cable lengths may require additional repeaters or signal conditioning to maintain signal integrity.
  • To troubleshoot issues with the THVD1450D, start by checking the power supply and decoupling, then verify the input and output signals using an oscilloscope. Check for signal attenuation, jitter, and noise, and consult the datasheet and application notes for guidance.
  • Yes, the THVD1450D can be used in redundant or fault-tolerant systems, but it requires careful system design and implementation to ensure seamless switchover in case of device failure. Consult TI's application notes and consult with a system design expert for guidance.

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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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