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ISL31491EIBZ-T7A - Renesas Electronics

Description: The ISL31490E, ISL31491E, ISL31492E, ISL31493E, ISL31495E, ISL31496E, ISL31498E are fault protected, 5V powered, differential transceivers that exceed the RS-485 and RS-422 standards for balanced communication. The RS-485 transceiver pins (driver outputs and receiver inputs) are protected against faults up to ±60V. Additionally, the extended common mode range allows these transceivers to operate in environments with common mode voltages up to ±25V (>2x the RS-485 requirement), making this RS-485 family one

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ISL31491EIBZ-T7A - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.15-ren4
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ISL31491EIBZ-T7A - Renesas Electronics  - 3D model - Small Outline Packages - M8.15-ren4
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ISL31491EIBZ-T7A Details

  • Manufacturer Part Number:

    ISL31491EIBZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOICN

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000015 A

  • 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:

    2

  • 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 Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.006 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    280 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    4.5 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    4.5 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • 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:

    1000 ns

  • Width:

    3.9 mm

ISL31491EIBZ-T7A Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the ISL31491EIBZ-T7A evaluation board user manual, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking, using thermal interface materials, and keeping the device within its specified operating temperature range (−40°C to +125°C).
  • Operating the ISL31491EIBZ-T7A at a lower supply voltage than the recommended 5V may result in reduced performance, increased power consumption, and potential reliability issues. Operating at a higher supply voltage may cause excessive power consumption, heat generation, and potentially damage the device.
  • To troubleshoot common issues, start by verifying the PCB layout and component selection, ensuring that the device is operated within its specified parameters, and checking for proper power supply decoupling and filtering. Renesas also provides application notes and technical support resources to help diagnose and resolve issues.
  • The ISL31491EIBZ-T7A has built-in ESD protection and latch-up prevention measures, including internal diodes and resistors to protect against electrostatic discharge and latch-up events. However, it's still essential to follow proper handling and assembly procedures to prevent damage during manufacturing and operation.

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ISL31491EIBZ-T7A Overview

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