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SP491EEN-L/TR - MaxLinear, Inc.

Description: RS-485 Interface IC Full Duplex RS-485 s

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SP491EEN-L/TR - MaxLinear, Inc. PCB footprint - Small Outline Packages - Small Outline Packages - 14 pin soic
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SP491EEN-L/TR - MaxLinear, Inc.  - 3D model - Small Outline Packages - 14 pin soic
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SP491EEN-L/TR Details

  • Manufacturer Part Number:

    SP491EEN-L/TR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, MS-012AB, SOIC-14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    MaxLinear Inc

  • YTEOL:

    6.72

  • 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-G14

  • JESD-609 Code:

    e3

  • Length:

    8.65 mm

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    100 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Transmit Delay-Max:

    60 ns

  • Width:

    3.9 mm

SP491EEN-L/TR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital signal traces separate and avoid crossing them over each other. Use a common mode filter or a ferrite bead to reduce EMI.
  • The SP491EEN-L/TR requires a bias voltage of 5V ± 0.5V. Ensure the bias voltage is clean and regulated, and decouple it with a 10uF capacitor to reduce noise. Also, ensure the input signal is within the recommended range of -10dBm to 10dBm.
  • The recommended operating temperature range for the SP491EEN-L/TR is -40°C to 85°C. However, for optimal performance, it's recommended to operate the device within a temperature range of 0°C to 70°C.
  • Check the input signal level, bias voltage, and PCB layout. Ensure the input signal is within the recommended range and the bias voltage is stable. Use a spectrum analyzer to check for distortion and noise. Also, verify the PCB layout and component placement to ensure they meet the recommended guidelines.
  • While the SP491EEN-L/TR is designed for 50Ω systems, it can be used in non-50Ω systems with some adjustments. However, this may require additional impedance matching networks and may affect the device's performance. Consult with a qualified RF engineer or the manufacturer's application notes for guidance.

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SP491EEN-L/TR Overview

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Part Image SP491EN-L/TR Exar Corporation

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