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LTC2871CUHF#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC2871CUHF#PBF - Transceiver RS232/RS485, 3 Drivers, 3V-5.5V supply, QFN-38

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LTC2871CUHF#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC2871CUHF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 38-Lead Plastic QFN (5mm × 7mm)
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LTC2871CUHF#PBF - Analog Devices - 3D model - Quad Flat No-Lead - 38-Lead Plastic QFN (5mm × 7mm)
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LTC2871CUHF#PBF Details

  • Manufacturer Part Number:

    LTC2871CUHF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1701

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Differential Output:

    YES

  • Driver Number of Bits:

    3

  • High Level Input Current-Max:

    0.000125 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232; EIA-422; EIA-485

  • JESD-30 Code:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    3

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    70 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.003 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC38,.2X.28,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    200 ns

  • Receiver Number of Bits:

    3

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    3.3 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.7 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transmit Delay-Max:

    70 ns

  • Width:

    5 mm

LTC2871CUHF#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2871CUHF 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 board with a dedicated ground plane is recommended. The datasheet provides a recommended layout, but it's also a good idea to consult with experienced PCB designers and perform simulations to ensure optimal performance.
  • To ensure reliable operation of the LTC2871CUHF in high-temperature environments, it's essential to follow proper thermal management practices. This includes using a heat sink, ensuring good airflow, and keeping the device away from heat sources. The IC is rated for operation up to 125°C, but derating may be necessary for extended operation at high temperatures. Consult the datasheet for thermal resistance and power dissipation information.
  • Using a lower or higher voltage supply than the recommended 3.3V or 5V can affect the performance and reliability of the LTC2871CUHF. Operating at a lower voltage may reduce the IC's output current capability and increase the risk of latch-up, while operating at a higher voltage may increase power dissipation and reduce the IC's lifespan. Consult the datasheet for specific voltage tolerance information and consider using voltage regulators or voltage supervisors to ensure a stable supply voltage.
  • To troubleshoot issues with the LTC2871CUHF, start by verifying the power supply voltage, clock frequency, and signal integrity. Check the datasheet for specific pinouts and signal descriptions. Use oscilloscopes or logic analyzers to monitor the signals and identify any anomalies. Consult the application notes and FAQs on the Analog Devices website for common issues and solutions. If the problem persists, contact Analog Devices' technical support for further assistance.
  • The LTC2871CUHF is a high-frequency device that can be susceptible to electromagnetic interference (EMI) and radio-frequency interference (RFI). To minimize EMI and RFI, use proper shielding, grounding, and filtering techniques. Keep the IC away from antennas, radio transmitters, and other sources of electromagnetic radiation. Use EMI filters or common-mode chokes on the input and output lines, and consider using a metal shield or enclosure for the PCB. Consult the datasheet and application notes for specific EMI and RFI mitigation strategies.

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LTC2871CUHF#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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