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ISL32478EIBZ-T - Renesas Electronics

Description: The ISL3247xE are fault-protected, extended common-mode range differential transceivers that exceed the RS-485 and RS-422 standards for balanced communication. The RS-485 bus pins (driver outputs and receiver inputs) are fault protected against overvoltages up to ±60V and are protected against ±16. 5kV ESD strikes without latch-up. Additionally, these transceivers operate in environments with common-mode voltages up to ±15V (exceeds the RS-485 requirement), making this fault-protected RS-485 family one of t

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ISL32478EIBZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - (8 LD SOIC)
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ISL32478EIBZ-T - Renesas Electronics  - 3D model - Small Outline Packages - (8 LD SOIC)
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ISL32478EIBZ-T Details

  • Manufacturer Part Number:

    ISL32478EIBZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICN

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Date Of Intro:

    2017-10-10

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485-A; TIA-485-A; EIA-422

  • JESD-30 Code:

    R-PDSO-G8

  • 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:

    0.8 V

  • Output Low Current-Max:

    0.006 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

  • Receive Delay-Max:

    70 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

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • 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:

    45 ns

  • Width:

    3.9 mm

ISL32478EIBZ-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL32478EIBZ-T involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure reliable operation over the full temperature range, it's essential to follow proper PCB design and layout guidelines, use a suitable thermal interface material, and ensure good thermal conduction between the device and the heat sink or PCB.
  • To mitigate EMI and RFI, use a shielded enclosure, keep the device away from high-frequency sources, use a common-mode choke or ferrite bead on the input lines, and ensure good grounding and shielding of the PCB and cables.
  • To troubleshoot oscillations or instability, check the PCB layout for noise coupling, ensure proper decoupling and bypassing, verify the input and output impedance matching, and use a scope to analyze the waveforms and identify the source of the issue.
  • Use a high-impedance probe or a differential probe to measure the output, and a low-capacitance probe to measure the input. Use a spectrum analyzer to measure the noise floor and frequency response, and a logic analyzer to verify the digital signals.

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ISL32478EIBZ-T Overview

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