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LTM2881HY-5 - Analog Devices

Description: Single Transmitter/Receiver RS-422/RS-485 Automotive 32-Pin BGA Tray

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LTM2881HY-5 - Analog Devices - PCB symbol
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PCB Footprints
LTM2881HY-5 - Analog Devices PCB footprint - BGA - BGA - 32-Lead (15mm × 11.25mm × 3.42mm)
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3D Models
LTM2881HY-5 - Analog Devices - 3D model - BGA - 32-Lead (15mm × 11.25mm × 3.42mm)
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LTM2881HY-5 Details

  • Manufacturer Part Number:

    LTM2881HY-5

  • 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

  • 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:

    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:

    5.5 V

  • Supply Voltage1-Min:

    4.5 V

  • Supply Voltage1-Nom:

    5 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-5 Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTM2881HY-5 involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power source. Additionally, the input and output traces should be kept short and away from noise sources. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure proper powering and decoupling, use a high-quality, low-ESR capacitor (e.g., 10uF ceramic) between the VIN pin and GND, and a 0.1uF capacitor between the VCC pin and GND. Place these capacitors as close to the device as possible. Additionally, use a low-impedance power source and ensure the input voltage is within the recommended range.
  • The maximum cable length supported by the LTM2881HY-5 depends on the specific application and the type of cable used. However, as a general guideline, the device can support cable lengths up to 10 meters (33 feet) for USB signals and up to 100 meters (330 feet) for UART signals. It's recommended to use a shielded cable and follow proper cable termination techniques to minimize signal degradation.
  • The LTM2881HY-5 can be configured for a specific UART baud rate by setting the BAUD_RATE pin to the appropriate logic level. The device supports baud rates from 300bps to 921.6kbps. Consult the datasheet for the specific pin configuration and logic levels required for the desired baud rate.
  • The recommended operating temperature range for the LTM2881HY-5 is -40°C to +85°C. However, the device can operate up to +105°C with reduced performance and reliability. It's essential to ensure proper thermal management and heat dissipation to maintain optimal performance and prevent overheating.

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LTM2881HY-5 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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