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THVD1449VDR - Texas Instruments

Description: RS-422/RS-485 Interface IC 12-Mbps RS-485 transceiver with integrated 4-kV IEC surge protection and 1.65-V to 5.5-V IO support

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THVD1449VDR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 8-SOIC
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THVD1449VDR - Texas Instruments  - 3D model - Small Outline Packages - 8-SOIC
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THVD1449VDR Details

  • Manufacturer Part Number:

    THVD1449VDR

  • 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

  • Additional Feature:

    ALSO OPERATES AT 5V NOM

  • 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:

    0.004 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:

    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:

    3.3 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

THVD1449VDR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLVAUH5, which includes guidelines for trace routing, component placement, and thermal management to ensure optimal performance and minimize signal integrity issues.
  • The THVD1449VDR has a thermal pad that must be connected to a solid ground plane to dissipate heat. A thermal via array or a thermal pad connected to a heat sink can be used to improve thermal performance. Additionally, ensure that the PCB has adequate thermal conductivity and that the device is not exposed to high ambient temperatures.
  • The maximum cable length supported by THVD1449VDR depends on the specific application and the type of cable used. However, as a general guideline, Texas Instruments recommends keeping the cable length below 10 meters to ensure reliable operation. For longer cable lengths, repeaters or active cables may be necessary.
  • The THVD1449VDR is designed to work with HDMI sources that comply with the HDMI 1.4 specification. Using a non-compliant source may result in compatibility issues or reduced performance. It is recommended to use a compliant source to ensure reliable operation.
  • Texas Instruments provides a troubleshooting guide in the application note SLVAUH5, which covers common issues and their solutions. Additionally, engineers can use tools such as oscilloscopes and logic analyzers to debug the signal integrity and protocol compliance of the THVD1449VDR.

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THVD1449VDR 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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