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THVD1439DR - Texas Instruments

Description: THVD14x9x 3-V to 5.5-V RS-485 Transceivers With 4-kV Surge Protection and 1.8-V VIO Capability

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PCB Footprints
THVD1439DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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3D Models
THVD1439DR - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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THVD1439DR Details

  • Manufacturer Part Number:

    THVD1439DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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:

    0.000005 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:

    4.905 mm

  • Moisture Sensitivity Level:

    3

  • 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:

    DIFFERENTIAL

  • Output Low Current-Max:

    0.008 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:

    110 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    5 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.6 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transmit Delay-Max:

    650 ns

  • Width:

    3.895 mm

THVD1439DR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good high-speed design practices, such as using a solid ground plane, minimizing trace lengths, and avoiding vias under the device.
  • To ensure reliable operation at high temperatures, it's crucial to follow the recommended operating conditions, use a suitable thermal interface material, and provide adequate heat sinking. The device is rated for operation up to 125°C, but derating may be necessary for extended lifetimes.
  • The maximum cable length supported by the THVD1439DR depends on the specific application and the type of cable used. As a general guideline, the device can support cable lengths up to 10 meters at 1 Gbps and 3 meters at 3 Gbps, but this may vary depending on the specific use case.
  • To troubleshoot issues with the THVD1439DR, start by verifying the power supply and clocking configuration. Check for proper termination, signal integrity, and noise margins. Use oscilloscopes and logic analyzers to debug the signal transmission and reception. Consult the datasheet and application notes for specific guidance.
  • Yes, the THVD1439DR is designed to be compatible with other Texas Instruments devices, such as the TUSB1310A and TUSB1410A. However, it's essential to verify compatibility and ensure proper signal integrity and power management when integrating multiple devices.

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THVD1439DR 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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