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ISL32472EIBZ-T7A - 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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ISL32472EIBZ-T7A - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.15-
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ISL32472EIBZ-T7A Details

  • Manufacturer Part Number:

    ISL32472EIBZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICN

  • Package Description:

    SOP-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

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • 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-485-A; TIA-485-A; EIA-422

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • 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 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:

    450 ns

  • Width:

    3.9 mm

ISL32472EIBZ-T7A Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL32472EIBZ-T7A involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI.
  • To ensure reliable communication in noisy environments, use shielding, twisted pair cables, and implement error-checking protocols such as CRC or checksums. Additionally, consider using a common-mode choke or ferrite beads to filter out high-frequency noise.
  • The maximum cable length for reliable RS-485 communication using the ISL32472EIBZ-T7A depends on the baud rate, cable quality, and noise environment. As a general guideline, cable lengths up to 4000 feet (1219 meters) are possible at lower baud rates (e.g., 9600bps), while shorter lengths (e.g., 1000 feet or 305 meters) are recommended for higher baud rates (e.g., 115200bps).
  • To handle hot-swapping or live-plugging of RS-485 devices, use a transceiver with built-in protection against overvoltage, undervoltage, and short-circuit conditions, such as the ISL32472EIBZ-T7A. Additionally, consider using a bus-termination scheme to prevent reflections and ensure reliable communication.
  • The ISL32472EIBZ-T7A has a maximum junction temperature of 150°C. To ensure reliable operation, maintain a safe operating temperature by providing adequate heat dissipation, using thermal pads or heat sinks, and avoiding high ambient temperatures.

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ISL32472EIBZ-T7A Overview

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