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LTM2881HY-3 - Analog Devices

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

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PCB Footprints
LTM2881HY-3 - Analog Devices PCB footprint - BGA - BGA - 32-Lead (15mm × 11.25mm × 3.42mm)
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3D Models
LTM2881HY-3 - Analog Devices  - 3D model - BGA - 32-Lead (15mm × 11.25mm × 3.42mm)
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LTM2881HY-3 Details

  • Manufacturer Part Number:

    LTM2881HY-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:

    -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:

    BGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Peak Reflow Temperature (Cel):

    245

  • 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:

    INDUSTRIAL

  • 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

LTM2881HY-3 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.
  • Follow the power-up sequence outlined in the datasheet. Ensure the input voltage is within the recommended range, and the EN pin is pulled high to enable the device. Configure the device using the SPI interface, following the protocol outlined in the datasheet.
  • The maximum cable length depends on the specific application and the type of cable used. As a general guideline, the LTM2881HY-3 can support cable lengths up to 10 meters for most applications. However, it's recommended to consult with Analog Devices' application engineers for specific guidance.
  • Use a logic analyzer or oscilloscope to monitor the SPI interface and verify the correct transmission and reception of data. Check the power supply and ground connections, and ensure the device is properly configured and powered up. Consult the datasheet and application notes for troubleshooting guidelines.
  • Yes, the LTM2881HY-3 is designed to support hot-swapping. However, ensure that the power supply and ground connections are properly managed during the hot-swap process to prevent damage to the device or the system.

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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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