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ISL81387IAZ-T - Renesas Electronics

Description: These devices are BiCMOS interface ICs that are user configured as either a single RS-422, RS-485 differential transceiver, or as a dual (2 Tx, 2 Rx) RS-232 transceiver. In RS-232 mode, the on-board charge pump generates RS-232 compliant ±5V Tx output levels, from a supply as low as 4.5V. Four small 0.1µF capacitors are required for the charge pump. The transceivers are RS-232 compliant, with the Rx inputs handling up to ±25V, and the Tx outputs handling ±12V. In RS-485 mode, the transceivers support both t

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ISL81387IAZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M20.209
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ISL81387IAZ-T - Renesas Electronics  - 3D model - Small Outline Packages - M20.209
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ISL81387IAZ-T Details

  • Manufacturer Part Number:

    ISL81387IAZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Package Description:

    ROHS COMPLIANT, PLASTIC, MO-150AE, SSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    M20.209

  • Country Of Origin:

    Malaysia, Philippines

  • 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:

    2

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232; EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    7.2 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    10 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.003 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    120 ns

  • Receiver Number of Bits:

    2

  • Seated Height-Max:

    1.99 mm

  • Supply Current-Max:

    7 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:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transmit Delay-Max:

    2000 ns

  • Width:

    5.29 mm

ISL81387IAZ-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL81387IAZ-T involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure the stability of the output voltage, it's essential to choose the right output capacitor value and type. A minimum capacitance of 10uF is recommended, and the capacitor should have a low ESR (Equivalent Series Resistance) to minimize voltage ripple. Additionally, the output voltage can be stabilized by adding a small ceramic capacitor (e.g., 1uF) in parallel with the main output capacitor.
  • The ISL81387IAZ-T can handle a maximum input voltage of 28V. However, it's recommended to operate the device within the recommended input voltage range of 7V to 24V for optimal performance and reliability.
  • The ISL81387IAZ-T has a resistor-programmable output voltage. To achieve a specific output voltage, you need to calculate the required resistor values using the formula provided in the datasheet. The output voltage can be adjusted by changing the values of the resistors connected to the FB (Feedback) pin.
  • The ISL81387IAZ-T has a thermal derating of 1.5°C/W above 25°C. This means that the device's power dissipation should be reduced as the ambient temperature increases to prevent overheating and ensure reliable operation.

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ISL81387IAZ-T Overview

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