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ISL32452EIBZ-T7A - Renesas Electronics

Description: The ISL3245xE are 3. 3V to 5V powered, fault protected, extended Common-Mode Range (CMR) differential transceivers for balanced communication. The RS-485 bus pins (driver outputs and receiver inputs) are protected against overvoltages up to ±60V, and against ±15kV ESD strikes. These transceivers operate in environments with common-mode voltages up to ±20V (exceeds the RS-485 requirement), making this RS-485 family one of the most robust on the market. The transmitters are RS-485 compliant with VCC ≥ 4. 5V a

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ISL32452EIBZ-T7A - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.118 8 LEAD MINI SMALL OUTLINE PACKAGE
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ISL32452EIBZ-T7A - Renesas Electronics  - 3D model - Small Outline Packages - M8.118 8 LEAD MINI SMALL OUTLINE PACKAGE
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ISL32452EIBZ-T7A Details

  • Manufacturer Part Number:

    ISL32452EIBZ-T7A

  • 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

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485; EIA-422

  • 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:

    1.1 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.005 A

  • Output Polarity:

    COMPLEMENTARY

  • 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:

    325 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:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 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

ISL32452EIBZ-T7A Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL32452EIBZ-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 ISL32452EIBZ-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 bus contention and collisions in a multi-master RS-485 network, implement a non-destructive bit-wise arbitration scheme, where each master device monitors the bus and backs off if it detects a collision. Additionally, consider using a token-passing protocol or a master-slave architecture to minimize contention.
  • The ISL32452EIBZ-T7A has a maximum junction temperature of 150°C. Ensure good airflow, use a heat sink if necessary, and avoid blocking airflow around the device. Also, consider using thermal pads or thermal tape to improve heat dissipation.

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ISL32452EIBZ-T7A Overview

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