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ACS722LLCTR-20AB-T - Allegro Microsystems

Description: High Accuracy 3.3V Optimized Current Sensor IC

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ACS722LLCTR-20AB-T - Allegro Microsystems - PCB symbol
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PCB Footprints
ACS722LLCTR-20AB-T - Allegro Microsystems PCB footprint - Other - Other - LC,8-pin SOIC
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3D Models
ACS722LLCTR-20AB-T - Allegro Microsystems - 3D model - Other - LC,8-pin SOIC
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ACS722LLCTR-20AB-T Details

  • Manufacturer Part Number:

    ACS722LLCTR-20AB-T

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    SOIC-8

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    3

  • Additional Feature:

    OVERCURRENT FAULT PROTECTION

  • Body Breadth:

    3.9 mm

  • Body Height:

    1.47 mm

  • Body Length or Diameter:

    4.9 mm

  • JESD-609 Code:

    e3

  • 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

  • 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 (Sn)

ACS722LLCTR-20AB-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ACS722LLCTR-20AB-T involves keeping the current-carrying traces short and wide, using a solid ground plane, and minimizing the distance between the device and the current-carrying conductors. Allegro provides a recommended PCB layout in their application note AN296050.
  • Calibration of the ACS722LLCTR-20AB-T involves applying a known current to the device and adjusting the output voltage to match the expected value. Allegro provides a calibration procedure in their application note AN296050.
  • The ACS722LLCTR-20AB-T has a specified temperature range of -40°C to 150°C. Over this range, the device's accuracy may vary by ±1% due to thermal drift. To minimize temperature-related errors, it is recommended to calibrate the device at the operating temperature.
  • Yes, the ACS722LLCTR-20AB-T can be used for bidirectional current measurement. The device's output voltage will change polarity when the current direction changes. However, it is essential to ensure that the device is properly calibrated for bidirectional operation.
  • The recommended filter capacitor value for the ACS722LLCTR-20AB-T is 10 nF to 100 nF. The capacitor should be placed as close as possible to the device's VCC pin to filter out high-frequency noise.

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ACS722LLCTR-20AB-T Overview

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