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THVD4431RHAR - Texas Instruments

Description: Meets or exceeds the requirements of the TIA/ EIA-485A and TIA/EIA-232F standards • 3 transmitters, 5 receivers for RS-232 • 1 transmitter, 1 receiver for RS-485 • On-chip switchable 120Ω termination resistor for RS-485 mode • Integrated charge-pump for RS-232 signaling • 3V to 5.5V supply voltage • 1.65V to 5.5V supply for logic data and control signals • RS-485 differential output exceeds 2.1V for PROFIBUS compatibility with 5V supply • Large output swing (typical ± 9V) for RS-232 mode • SLR

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PCB Footprints
THVD4431RHAR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - VQFN - 1 mm max height
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3D Models
THVD4431RHAR - Texas Instruments  - 3D model - Quad Flat No-Lead - VQFN - 1 mm max height
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THVD4431RHAR Details

  • Manufacturer Part Number:

    THVD4431RHAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VQFN-40

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Differential Output:

    NO

  • Driver Number of Bits:

    3

  • High Level Input Current-Max:

    0.000005 A

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232-F; TIA-232-F; EIA-422; EIA-485-A, TIA-485-A

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    3

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    10 V

  • Output Low Current-Max:

    0.002 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    550 ns

  • Receiver Number of Bits:

    5

  • Seated Height-Max:

    1 mm

  • Supply Current-Max:

    6 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 (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Transmit Delay-Max:

    2000 ns

  • Width:

    6 mm

THVD4431RHAR 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.
  • The THVD4431RHAR is rated for operation up to 125°C. To ensure reliable operation, ensure proper thermal management, such as using a heat sink or thermal pad, and follow the recommended operating conditions and power dissipation guidelines.
  • The maximum cable length depends on the specific application and signal frequency. As a general guideline, the THVD4431RHAR can support cable lengths up to 10 meters at 1 Gbps and 5 meters at 3 Gbps. However, it's recommended to consult the datasheet and perform signal integrity simulations for specific use cases.
  • Yes, the THVD4431RHAR supports multi-point bus configurations. However, it's essential to follow the recommended bus topology and termination guidelines to ensure signal integrity and reliable operation.
  • Texas Instruments provides a troubleshooting guide in the datasheet, which covers common issues and their solutions. Additionally, engineers can use tools like oscilloscopes and signal analyzers to debug signal integrity problems.

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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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