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ISL8490IBZ-T - Renesas Electronics

Description: The ISL8485, ISL8490, and ISL8491 RS-485 / RS-422 devices are BiCMOS 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Unlike competitive devices, this family is specified for 10% tolerance supplies (4. 5V to 5. 5V). The ISL8485, ISL8490, and ISL8491 feature data rates up to 5Mbps. All devices present a single unit load to the RS-485 bus, which allows up to 32 transceivers on the network. The receiver (Rx) inputs feature a “fail-safe if open” design,

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ISL8490IBZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - (8 LD SOIC)
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ISL8490IBZ-T - Renesas Electronics  - 3D model - Small Outline Packages - (8 LD SOIC)
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ISL8490IBZ-T Details

  • Manufacturer Part Number:

    ISL8490IBZ-T

  • 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:

    Mainland China, Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Date Of Intro:

    2017-10-23

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000002 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:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    150 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.9 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:

    CMOS

  • 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:

    50 ns

  • Width:

    3.9 mm

ISL8490IBZ-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL8490IBZ-T involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure the stability of the output voltage, it is essential to use the recommended output capacitor values and types, and to place them as close to the IC as possible. Additionally, the input capacitor should be selected based on the input voltage and current requirements.
  • The ISL8490IBZ-T can handle a maximum input voltage of 18V, but it is recommended to operate it within the specified input voltage range of 2.7V to 16V for optimal performance and reliability.
  • The ISL8490IBZ-T has built-in overcurrent protection and thermal shutdown features. However, it is still important to add external protection components such as fuses or PTC resistors to prevent damage from excessive current or voltage. Additionally, ensure good airflow and heat dissipation around the IC to prevent overheating.
  • The ISL8490IBZ-T is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It is recommended to derate the output current and voltage according to the temperature derating curve provided in the datasheet.

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ISL8490IBZ-T Overview

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