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ISO7221BDR - Texas Instruments

Description: Dual Channel, 1/1, 5Mbps Digital Isolator

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ISO7221BDR - Texas Instruments - PCB symbol
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PCB Footprints
ISO7221BDR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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3D Models
ISO7221BDR - Texas Instruments - 3D model - Small Outline Packages - D0008A
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ISO7221BDR Details

  • Manufacturer Part Number:

    ISO7221BDR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Interface IC Type:

    DIGITAL ISOLATOR

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.905 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Screening Level:

    IEC 62368-1

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    5 V

  • Supply Voltage-Min:

    3.3 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • 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

  • Width:

    3.895 mm

ISO7221BDR Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISO7221BDR involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the signal traces. TI provides a recommended PCB layout in the application note SLAA544.
  • To ensure EMC, use a shielded cable for the ISO7221BDR, keep the cable length as short as possible, and use a common-mode choke or ferrite bead to filter out electromagnetic interference (EMI).
  • The maximum cable length supported by the ISO7221BDR depends on the specific application and the type of cable used. As a general guideline, TI recommends keeping the cable length below 10 meters to ensure reliable data transmission.
  • To troubleshoot issues with the ISO7221BDR, start by checking the power supply voltage, ensuring that it is within the recommended range. Then, verify that the clock frequency is correct and that the data transmission rate is within the specified range. Use an oscilloscope to analyze the signal waveforms and identify any anomalies.
  • The ISO7221BDR is rated for operation up to 125°C. However, the device's performance may degrade at high temperatures. It's essential to follow the recommended operating conditions and thermal management guidelines to ensure reliable operation.

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ISO7221BDR 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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