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SI8931B-IS - Skyworks

Description: Isolation Amplifiers

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SI8931B-IS - Skyworks - PCB symbol
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SI8931B-IS - Skyworks PCB footprint - Small Outline Packages - Small Outline Packages - SI8931B-IS
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SI8931B-IS - Skyworks - 3D model - Small Outline Packages - SI8931B-IS
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SI8931B-IS Details

  • Manufacturer Part Number:

    SI8931B-IS

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Skyworks Solutions Inc

  • YTEOL:

    8

  • Amplifier Type:

    ISOLATION AMPLIFIER

  • Bandwidth (3dB)-Nom:

    0.6 MHz

  • Common Mode Voltage-Max:

    1.44 V

  • Isolation Voltage-Min:

    2500 V

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    5.7 mA

  • Supply Voltage Limit-Max:

    6 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

SI8931B-IS Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the SI8931B-IS involves keeping the input and output traces as short as possible, using a solid ground plane, and placing the device close to the antenna. Additionally, it's recommended to use a 50-ohm microstrip transmission line for the RF input and output.
  • To ensure proper biasing, the SI8931B-IS requires a 2.7V to 5.5V power supply, and the VCC pin should be decoupled with a 100nF capacitor to ground. Additionally, the EN pin should be tied to VCC or a digital signal to enable the device.
  • The SI8931B-IS can handle up to 30dBm of input power, but it's recommended to operate within the 20dBm to 25dBm range for optimal performance and reliability.
  • To troubleshoot issues with the SI8931B-IS, check the PCB layout for any errors or inconsistencies, ensure proper biasing and power supply, and verify that the input and output impedances are matched. Additionally, use a spectrum analyzer to measure the input and output signals and identify any anomalies.
  • The SI8931B-IS is rated for operation up to 125°C, but it's recommended to derate the power handling capability and ensure proper thermal management to prevent overheating and ensure reliability.

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SI8931B-IS Overview

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