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ST3485EBDR - STMicroelectronics

Description: ST3485EBDR, Line Transceiver, RS-485, RS-422 15Mbit/s Differential, 3.3V, 8-Pin SO

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ST3485EBDR - STMicroelectronics - PCB symbol
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PCB Footprints
ST3485EBDR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO 8_
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3D Models
ST3485EBDR - STMicroelectronics - 3D model - Small Outline Packages - SO 8_
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ST3485EBDR Details

  • Manufacturer Part Number:

    ST3485EBDR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7.2

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Low Current-Max:

    0.004 A

  • 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

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    50 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    2.2 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    30 ns

  • Width:

    3.9 mm

ST3485EBDR Frequently Asked Questions (FAQs)

  • A good PCB layout for the ST3485EBDR involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces connected to the high-frequency pins. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure reliable operation of the ST3485EBDR in high-temperature environments, it is essential to provide adequate heat sinking, ensure good airflow, and follow the recommended thermal design guidelines. The device should be operated within the recommended temperature range, and the junction temperature should be kept below 150°C.
  • To mitigate EMI and RFI when using the ST3485EBDR, it is essential to use a shielded enclosure, keep the device away from antennas and other EMI sources, use EMI filters on the input and output lines, and follow good PCB layout practices such as keeping the analog and digital sections separate.
  • To troubleshoot issues with the ST3485EBDR, start by verifying the power supply voltage and ensuring that it is within the recommended range. Check the input and output signals, and verify that the device is properly configured. Use oscilloscopes and logic analyzers to debug the issue, and consult the datasheet and application notes for guidance.
  • When using the ST3485EBDR in a system with multiple power domains, it is essential to ensure that the device is properly powered down when not in use, and that the power domains are properly isolated to prevent back-powering. The device should be powered from a clean, low-noise power source, and the power supply should be designed to handle the current requirements of the device.

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ST3485EBDR Overview

Use the download button to access the ST3485EBDR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ST348, or try a keyword search, such as Line Driver or Receivers

About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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