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ISOW7821FDWER - Texas Instruments

Description: High-Efficiency, Low-Emissions, Reinforced Digital Isolator With Integrated Power

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ISOW7821FDWER - Texas Instruments - PCB symbol
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ISOW7821FDWER - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DWE0016A
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ISOW7821FDWER - Texas Instruments - 3D model - Small Outline Packages - DWE0016A
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ISOW7821FDWER Details

  • Manufacturer Part Number:

    ISOW7821FDWER

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2017-11-29

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Interface IC Type:

    DIGITAL ISOLATOR

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    2

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    IEC 62368-1

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3.3 V

  • Supply Voltage-Nom:

    3.3 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:

    7.5 mm

ISOW7821FDWER Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a ferrite bead or a 10-ohm resistor in series with the VCC pin to reduce noise.
  • Use a common mode filter or a ferrite bead on the input lines to reduce electromagnetic interference (EMI). Ensure the signal lines are properly terminated, and the signal frequency is within the recommended range (up to 100 Mbps).
  • The maximum cable length depends on the signal frequency, cable quality, and noise environment. As a general guideline, the recommended cable length is up to 100 meters for a 100 Mbps signal. However, it's recommended to test the specific application to determine the maximum reliable cable length.
  • Ensure that the VCC pin is powered up before the input signals. During power-down, ensure that the input signals are removed before the VCC pin is powered down. A power sequencing circuit or a voltage supervisor can be used to ensure proper power-up and power-down sequencing.
  • The device has a maximum junction temperature of 150°C. Ensure good thermal conductivity between the device and the PCB. Use thermal vias or a heat sink if necessary. Keep the device away from heat sources and ensure good airflow.

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ISOW7821FDWER 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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Part Image ISOW7821FDWE Texas Instruments

DIGITAL ISOLATOR, CMOS, PDSO16