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ISL32740EIAZ - Renesas Electronics

Description: The ISL32740E is a galvanically isolated high-speed differential bus transceiver, designed for bidirectional data communication on balanced transmission lines. The device uses giant magnetoresistance (GMR) as its isolation technology. The part is available in a 16 Ld QSOP package offering unprecedented miniaturization, and in a 16 Ld SOICW package providing a true 8mm creepage distance. The ISL32740E is PROFIBUS compliant, including the rigorous PROFIBUS differential output voltage specifications. A unique

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ISL32740EIAZ - Renesas Electronics - PCB symbol
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ISL32740EIAZ - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M16.15B-
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ISL32740EIAZ Details

  • Manufacturer Part Number:

    ISL32740EIAZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QSOP

  • Package Description:

    QSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    M16.15B

  • 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

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485; EIA-422

  • JESD-30 Code:

    R-PDSO-G16

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    2.1 V

  • Output Low Current-Max:

    0.06 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Receive Delay-Max:

    35 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    16 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:

    4.5 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    35 ns

  • Width:

    3.9 mm

ISL32740EIAZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in the application note AN1995, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize EMI.
  • The ISL32740EIAZ has a thermal pad that must be connected to a thermal plane on the PCB to dissipate heat. A thermal interface material (TIM) can be used to improve heat transfer. Additionally, the device has a thermal shutdown feature that turns off the output when the junction temperature exceeds 150°C.
  • Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor. The capacitor should be placed as close to the VIN pin as possible to minimize noise and ensure stable operation.
  • The ISL32740EIAZ has a adjustable output voltage that can be set using an external resistor divider network connected to the FB pin. The output voltage can be calculated using the formula VOUT = 0.8V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.
  • The ISL32740EIAZ has a maximum output current capability of 4A, but this can be limited by the thermal performance of the device and the PCB. The output current should be derated based on the ambient temperature and the thermal performance of the system.

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ISL32740EIAZ Overview

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