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LTC2872IUHF#PBF - Analog Devices

Description: RS-232 Interface IC RS232/RS485 Dual Port Multiprotocol Transceiver with Integrated Termination (Shared I/O)

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LTC2872IUHF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 38-Lead Plastic QFN (5mm × 7mm)
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LTC2872IUHF#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - 38-Lead Plastic QFN (5mm × 7mm)
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LTC2872IUHF#PBF Details

  • Manufacturer Part Number:

    LTC2872IUHF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 7MM, LEAD FREE, PLASTIC, MO-220WHKD, 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

  • Additional Feature:

    ALSO OPERATES AS TWO RS485 DIFFERENTIAL TRANSCEIVER PAIR

  • Differential Output:

    NO

  • Driver Number of Bits:

    4

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232; EIA-422

  • JESD-30 Code:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    10 V

  • 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

  • Receive Delay-Max:

    200 ns

  • Receiver Number of Bits:

    4

  • Seated Height-Max:

    0.8 mm

  • 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:

    INDUSTRIAL

  • 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:

    2000 ns

  • Width:

    5 mm

LTC2872IUHF#PBF 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 grounds separate and connect them at a single point. Use short, wide traces for power and ground connections.
  • Use a shielded cable, keep the USB traces short and away from noise sources, and use a common mode filter or ferrite bead to reduce EMI. Also, ensure that the USB device is properly terminated and that the host and device are configured correctly.
  • The maximum cable length supported is 3 meters, but this can be extended up to 5 meters using active cables or repeaters. However, signal integrity and EMI considerations should be taken into account for longer cable lengths.
  • Use a power sequencer or a dedicated hot-swap controller to ensure that the power rails are sequenced correctly. The LTC2872IUHF has built-in power sequencing, but external control may be required for hot-swapping applications.
  • The LTC2872IUHF has a maximum junction temperature of 125°C. Ensure good airflow, use a heat sink if necessary, and avoid blocking airflow around the device. Also, consider thermal design and layout to minimize thermal resistance.

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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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