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ACS71240LLCBTR-020U5 - Allegro Microsystems

Description: Board Mount Current Sensors CURRENT SENSOR IC WITH COMMON MODE REJECTION AND OVERCURRENT FAULT

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ACS71240LLCBTR-020U5 - Allegro Microsystems - PCB symbol
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ACS71240LLCBTR-020U5 - Allegro Microsystems PCB footprint - Small Outline Packages - Small Outline Packages - ACS71240LLCBTR-020U5
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ACS71240LLCBTR-020U5 - Allegro Microsystems - 3D model - Small Outline Packages - ACS71240LLCBTR-020U5
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ACS71240LLCBTR-020U5 Details

  • Manufacturer Part Number:

    ACS71240LLCBTR-020U5

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Manufacturer:

    Allegro MicroSystems LLC

  • Body Breadth:

    3.9 mm

  • Body Height:

    1.47 mm

  • Body Length or Diameter:

    4.9 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    ANALOG

  • Output Type:

    ANALOG VOLTAGE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape/Style:

    RECTANGULAR

  • Screening Level:

    AEC-Q100

  • Sensors/Transducers Type:

    CURRENT SENSOR

  • Surface Mount:

    YES

ACS71240LLCBTR-020U5 Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the ACS71240LLCBTR-020U5 is -40°C to 150°C, as specified in the datasheet. However, it's recommended to operate the device within the -20°C to 85°C range for optimal performance and reliability.
  • The output voltage of the ACS71240LLCBTR-020U5 is a differential voltage that varies with the input current. To handle this output, you'll need to use a differential amplifier or an analog-to-digital converter (ADC) that can accommodate the output voltage range of ±100 mV.
  • For optimal performance, it's recommended to follow a 4-layer PCB layout with a dedicated ground plane and to keep the input and output traces as short as possible. Additionally, ensure that the device is placed away from high-current carrying traces and noise sources.
  • The ACS71240LLCBTR-020U5 does not require calibration. It's a ratiometric device, meaning that the output voltage is proportional to the input current and the supply voltage. However, you may need to perform a zero-current calibration to account for any offset voltage.
  • The typical response time of the ACS71240LLCBTR-020U5 is 5 μs, which is the time it takes for the output voltage to settle within 1% of its final value after a step change in the input current.

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ACS71240LLCBTR-020U5 Overview

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