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ACS70331EESATR-2P5B3 - Allegro Microsystems

Description: High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving Low Resistance QFN and SOIC packages

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ACS70331EESATR-2P5B3 - Allegro Microsystems - PCB symbol
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PCB Footprints
ACS70331EESATR-2P5B3 - Allegro Microsystems PCB footprint - Other - Other - ES, 12-Contact QFN-1
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3D Models
ACS70331EESATR-2P5B3 - Allegro Microsystems - 3D model - Other - ES, 12-Contact QFN-1
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ACS70331EESATR-2P5B3 Details

  • Manufacturer Part Number:

    ACS70331EESATR-2P5B3

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    3

  • Body Breadth:

    3 mm

  • Body Height:

    0.725 mm

  • Body Length or Diameter:

    3 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    ANALOG

  • Output Type:

    ANALOG VOLTAGE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    LCC12,.12SQ,20

  • Package Shape/Style:

    SQUARE

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,MAGNETORESISTIVE,GMR

  • Supply Voltage-Max:

    4.5 V

  • Supply Voltage-Min:

    3 V

  • Surface Mount:

    YES

ACS70331EESATR-2P5B3 Frequently Asked Questions (FAQs)

  • A good PCB layout for the ACS70331EESATR-2P5B3 involves keeping the sense lines as short as possible, using a ground plane to reduce noise, and placing the device close to the current-carrying conductor. Allegro provides a recommended PCB layout in their application note AN296065.
  • Calibration of the ACS70331EESATR-2P5B3 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 AN296065.
  • The maximum allowable current for the ACS70331EESATR-2P5B3 is 50 A, but it's recommended to operate the device within the specified operating range of -20 A to 20 A for optimal accuracy and reliability.
  • The output voltage of the ACS70331EESATR-2P5B3 is a differential voltage that requires a differential amplifier or an instrumentation amplifier to condition the signal. The output voltage can also be connected to an ADC for digital conversion.
  • The ACS70331EESATR-2P5B3 is specified to operate over a temperature range of -40°C to 150°C, but the accuracy and linearity of the device may degrade at extreme temperatures.

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ACS70331EESATR-2P5B3 Overview

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