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ISL8485IBZ - 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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ISL8485IBZ - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.15-ren4
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ISL8485IBZ - Renesas Electronics  - 3D model - Small Outline Packages - M8.15-ren4
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ISL8485IBZ Details

  • Manufacturer Part Number:

    ISL8485IBZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICN

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • Country Of Origin:

    Mainland China, 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

ISL8485IBZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in the ISL8485IBZ evaluation board user manual, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL8485IBZ has built-in ESD protection, but it's still recommended to follow proper ESD handling procedures during assembly and testing. Additionally, consider adding external ESD protection devices, such as TVS diodes, to protect the device from external ESD events.
  • The ISL8485IBZ is rated for operation from -40°C to +125°C, but the maximum operating temperature range may vary depending on the specific application and environmental conditions. It's essential to consult the datasheet and perform thermal analysis to ensure the device operates within a safe temperature range.
  • The ISL8485IBZ has a low-power mode that can be enabled by setting the EN pin low. Additionally, the device has a shutdown mode that can be enabled by setting the SHDN pin low. Consult the datasheet for specific configuration details and power-saving strategies.
  • The recommended input capacitance value for the ISL8485IBZ is 10uF to 22uF, depending on the input voltage and output current requirements. A larger input capacitance value can help improve input voltage ripple and noise rejection, but may also increase the device's start-up time.

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ISL8485IBZ Overview

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