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LTM2881MPY-3 - Analog Devices

Description: RS-422/RS-485 Interface IC Complete Isolated RS485/RS422 uModule Transceiver + Power

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LTM2881MPY-3 - Analog Devices - PCB symbol
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PCB Footprints
LTM2881MPY-3 - Analog Devices PCB footprint - BGA - BGA - 32-Lead (15mm × 11.25mm × 3.42mm)
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3D Models
LTM2881MPY-3 - Analog Devices - 3D model - BGA - 32-Lead (15mm × 11.25mm × 3.42mm)
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LTM2881MPY-3 Details

  • Manufacturer Part Number:

    LTM2881MPY-3

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    05-08-1851

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • 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-B32

  • JESD-609 Code:

    e0

  • Length:

    15 mm

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -55 °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:

    BGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Receive Delay-Max:

    140 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    3.62 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:

    OTHER

  • Terminal Finish:

    Tin/Lead (Sn63Pb37)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Transmit Delay-Max:

    1550 ns

  • Width:

    11.25 mm

LTM2881MPY-3 Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTM2881MPY-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 of the LTM2881MPY-3, use a high-quality power supply with low noise and ripple, and add decoupling capacitors (e.g., 10uF and 100nF) close to the device's power pins. Also, use a 10kΩ resistor in series with the input capacitor to prevent oscillations.
  • The LTM2881MPY-3 can support cable lengths up to 10 meters (33 feet) for USB signals and up to 3 meters (10 feet) for power signals, depending on the cable quality and the specific application. However, it's recommended to use shorter cables for optimal performance.
  • To troubleshoot issues with the LTM2881MPY-3, start by checking the power supply and decoupling, then verify the PCB layout and component placement. Use an oscilloscope to check the signal integrity and voltage levels. Also, consult the datasheet and application notes for specific troubleshooting guidelines.
  • The LTM2881MPY-3 is rated for operation up to 85°C (185°F), but it's recommended to derate the device's performance at higher temperatures. For high-temperature applications, consider using a heat sink or a thermally-enhanced package, and consult the datasheet for specific thermal management guidelines.

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LTM2881MPY-3 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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