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ACS72981LLRATR-100B3 - Allegro Microsystems

Description: High-Precision Linear Hall-Effect-Based Current Sensor IC With 200µΩ Current Conductor

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ACS72981LLRATR-100B3 - Allegro Microsystems - PCB symbol
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PCB Footprints
ACS72981LLRATR-100B3 - Allegro Microsystems PCB footprint - Other - Other - LR, 7-Pin PSOF Package
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3D Models
ACS72981LLRATR-100B3 - Allegro Microsystems - 3D model - Other - LR, 7-Pin PSOF Package
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ACS72981LLRATR-100B3 Details

  • Manufacturer Part Number:

    ACS72981LLRATR-100B3

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOF-7

  • Manufacturer:

    Allegro MicroSystems LLC

  • Body Breadth:

    4.8 mm

  • Body Height:

    1.5 mm

  • Body Length or Diameter:

    6.4 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Type:

    ANALOG VOLTAGE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape/Style:

    RECTANGULAR

  • Screening Level:

    AEC-Q100

  • Sensors/Transducers Type:

    CURRENT SENSOR

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    MATTE TIN

ACS72981LLRATR-100B3 Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the ACS72981LLRATR-100B3 is -40°C to 150°C.
  • The ACS72981LLRATR-100B3 does not require calibration. It is a self-calibrating device that automatically adjusts its internal offset and sensitivity during power-up.
  • Allegro recommends a 4-layer PCB with a solid ground plane and a separate power plane for the device. The device should be placed near the sensing point, and the PCB should be designed to minimize noise and electromagnetic interference.
  • Yes, the ACS72981LLRATR-100B3 is designed to operate in high-vibration environments. However, it's recommended to follow proper mounting and soldering techniques to ensure the device is securely attached to the PCB.
  • To minimize EMI, use a shielded cable for the output signal, keep the device away from high-current carrying wires, and use a common-mode choke or ferrite bead on the output lines.

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ACS72981LLRATR-100B3 Overview

Use the download button to access the ACS72981LLRATR-100B3 schematic symbol, PCB footprint, and 3D model.
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