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THVD1420DR - Texas Instruments

Description: RS-422/RS-485 Interface IC 3.3-V to 5-V RS-485 transceiver with +/-8-kV IEC ESD protection

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THVD1420DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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THVD1420DR - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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THVD1420DR Details

  • Manufacturer Part Number:

    THVD1420DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-8

  • Country Of Origin:

    Malaysia

  • 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:

    0.0001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485-A; TIA-485-A; EIA-422

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.905 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:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    75 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:

    38 ns

  • Width:

    3.895 mm

THVD1420DR Frequently Asked Questions (FAQs)

  • A good PCB layout for the THVD1420DR involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the device close to the power supply. TI provides a recommended PCB layout in the datasheet and application notes.
  • The THVD1420DR requires a single 3.3V or 5V power supply. Ensure the power supply is stable and within the recommended operating range. Power sequencing is not critical, but it's recommended to power up the device after the power supply has stabilized.
  • The THVD1420DR supports cable lengths up to 10 meters (33 feet) at data rates up to 100 Mbps. However, the actual cable length may vary depending on the specific application, cable quality, and noise environment.
  • To troubleshoot issues with the THVD1420DR, check the power supply, signal integrity, and PCB layout. Verify that the device is properly powered, and the input and output signals are within the recommended operating range. Use an oscilloscope to verify signal transmission and check for noise or distortion.
  • Yes, the THVD1420DR can be used in redundant or fault-tolerant systems. However, additional circuitry and design considerations are required to ensure seamless switchover in case of a failure. Consult TI's application notes and design guides for more information.

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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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