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LTC4331IUFD#PBF - Analog Devices

Description: Up to 1MHz Serial Clock, Fast-mode Plus (Fm+) Selectable Link Baud Rates Extend I2C Up to 1200m Protected from Overvoltage Line Faults to ±60V ±40kV ESD on Link Pins IEC Level 4 ESD ±8kV and EFT ±5kV on Link Pins Extended Common Mode Range: ±15V Remote Interrupt/SMBALERT and Control SignalsLow EMI Mode SMBus 3.0 Compatible I2C Idle Detection, and Stuck Bus Protection I2C Device Address Sharing 3V to 5.5V Supply Voltage 1.62V to 5.5V Logic Supply 4mm × 5mm 20-Lead QFN

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LTC4331IUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead (4mm × 5mm) Plastic QFN
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LTC4331IUFD#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - 20-Lead (4mm × 5mm) Plastic QFN
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LTC4331IUFD#PBF Details

  • Manufacturer Part Number:

    LTC4331IUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1711

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • Input Characteristics:

    DIFFERENTIAL

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.02 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    0.14 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.62 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC4331IUFD#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output traces short and away from each other to minimize noise and coupling.
  • Follow the recommended power-up sequence: VCC, then VIO, then EN. Ensure all input and output pins are properly terminated and configured according to the datasheet.
  • The LTC4331IUFD has a thermal pad on the bottom of the package. Ensure good thermal conductivity by using a thermal interface material and a heat sink if necessary. Keep the device away from heat sources and ensure good airflow.
  • Use a logic analyzer or oscilloscope to monitor the input and output signals. Check the power supply and configuration pins for proper voltage and configuration. Consult the datasheet and application notes for troubleshooting guides.
  • Yes, follow proper EMI/EMC design practices: use a shielded enclosure, keep the device away from antennas and high-frequency sources, and use EMI filters or shielding on the input and output lines if necessary.

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LTC4331IUFD#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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