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LTM2881MPY-3#PBF - Analog Devices

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

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LTM2881MPY-3#PBF - Analog Devices PCB footprint - BGA - BGA - BGA Package 32-Lead (15mm × 11.25mm × 3.42mm)
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LTM2881MPY-3#PBF - Analog Devices  - 3D model - BGA - BGA Package 32-Lead (15mm × 11.25mm × 3.42mm)
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LTM2881MPY-3#PBF Details

  • Manufacturer Part Number:

    LTM2881MPY-3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • 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:

    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-B32

  • JESD-609 Code:

    e1

  • Length:

    15 mm

  • Moisture Sensitivity Level:

    3

  • 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

  • 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:

    OTHER

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Transmit Delay-Max:

    85 ns

  • Width:

    11.25 mm

LTM2881MPY-3#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTM2881 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the LTM2881 and the power supply. 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 LTM2881, use a high-quality power supply with low noise and ripple, and add decoupling capacitors (e.g., 10uF and 100nF) between the power pins and ground. Place the decoupling capacitors as close to the LTM2881 as possible.
  • The maximum cable length for the USB interface of the LTM2881 is 3 meters (10 feet) for a standard USB cable. However, this length can be extended up to 5 meters (16.4 feet) using an active USB extension cable or a USB repeater.
  • To configure the LTM2881 for a specific voltage range, use the VSET pin to set the output voltage. The VSET pin is connected to a resistor divider network that sets the output voltage. The output voltage range is from 2.5V to 5.5V, and the VSET pin voltage is proportional to the output voltage.
  • The thermal derating of the LTM2881 is 1.5% per degree Celsius above 25°C. This means that the maximum output current of the LTM2881 decreases as the temperature increases. It's essential to ensure good airflow and heat sinking to maintain optimal performance.

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LTM2881MPY-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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