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LTC2872CUHF#TRPBF - Analog Devices

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

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LTC2872CUHF#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC2872CUHF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm
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3D Models
LTC2872CUHF#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm
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LTC2872CUHF#TRPBF Details

  • Manufacturer Part Number:

    LTC2872CUHF#TRPBF

  • 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:

    70 °C

  • 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:

    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:

    2000 ns

  • Width:

    5 mm

LTC2872CUHF#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2872CUHF involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the connector to minimize signal traces. A 4-layer PCB with a dedicated power plane is also recommended.
  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal design and layout guidelines, such as using a heat sink, keeping the device away from heat sources, and using thermal vias to dissipate heat. Additionally, consider using a thermally-enhanced package or a device with a higher temperature rating.
  • To mitigate EMI and RFI, use a shielded enclosure, keep the device away from antennas and other EMI sources, and use EMI filters or chokes on the input and output lines. Additionally, ensure that the PCB layout is designed to minimize radiation and use a low-pass filter on the output to reduce high-frequency noise.
  • To troubleshoot issues with the LTC2872CUHF, start by checking the power supply and clock signals, then verify the configuration and setup of the device. Use a logic analyzer or oscilloscope to monitor the signals and identify any errors or anomalies. Consult the datasheet and application notes for troubleshooting guides and FAQs.
  • When using the LTC2872CUHF in a system with multiple power domains, ensure that the device is properly isolated from other power domains using level shifters, isolation transformers, or optocouplers. This is critical to prevent damage to the device or other components due to voltage differences or noise coupling between domains.

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LTC2872CUHF#TRPBF 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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