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LTM2881HV-3#PBF - Analog Devices

Description: Complete Isolated RS485/RS422 μModule Transceiver + Power

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PCB Footprints
LTM2881HV-3#PBF - Analog Devices PCB footprint - Other - Other - GA Package 32-Lead (15mm × 11.25mm × 2.82mm) (Reference LTC DWG # 05-08-1773 Rev A)-2025-2
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3D Models
LTM2881HV-3#PBF - Analog Devices  - 3D model - Other - GA Package 32-Lead (15mm × 11.25mm × 2.82mm) (Reference LTC DWG # 05-08-1773 Rev A)-2025-2
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LTM2881HV-3#PBF Details

  • Manufacturer Part Number:

    LTM2881HV-3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LGA-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    05-08-1773

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485-A; TIA-485-A; EIA-422

  • JESD-30 Code:

    R-PBGA-N32

  • JESD-609 Code:

    e4

  • Length:

    15 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    2.1 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.004 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    140 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    2.95 mm

  • Supply Current-Max:

    30 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.62 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    3.6 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    HYBRID

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Gold (Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Transmit Delay-Max:

    85 ns

  • Width:

    11.25 mm

LTM2881HV-3#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTM2881HV-3 involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power source. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure proper powering and decoupling, use a high-quality, low-ESR capacitor (e.g., 10uF ceramic) between the VIN pin and the GND pin, and a 0.1uF ceramic capacitor between the VCC pin and the GND pin. Also, use a 1uF capacitor between the VCC pin and the AVCC pin.
  • The LTM2881HV-3 supports cable lengths up to 10 meters (33 feet) for USB 2.0 and up to 3 meters (10 feet) for USB 3.0, assuming a good quality cable with proper shielding and termination.
  • To ensure ESD protection, use a TVS (Transient Voltage Suppressor) diode or a dedicated ESD protection device, such as the ADM3202, in conjunction with the LTM2881HV-3. This will help protect the device from electrostatic discharge events.
  • To manage thermal performance, use a heat sink or a thermal pad on the exposed pad of the LTM2881HV-3, and ensure good airflow around the device. Additionally, use a thermal interface material (TIM) to improve heat transfer between the device and the heat sink or thermal pad.

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LTM2881HV-3#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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