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ACS71240KEXBLT-010B3-115 - Allegro Microsystems

Description: Automotive-Grade, Galvanically Isolated Current Sensor IC With Common-Mode Field Rejection And Overcurrent Detection

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ACS71240KEXBLT-010B3-115 - Allegro Microsystems - PCB symbol
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ACS71240KEXBLT-010B3-115 - Allegro Microsystems PCB footprint - Other - Other - EX_1
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ACS71240KEXBLT-010B3-115 - Allegro Microsystems - 3D model - Other - EX_1
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ACS71240KEXBLT-010B3-115 Details

  • Manufacturer Part Number:

    ACS71240KEXBLT-010B3-115

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Manufacturer:

    Allegro MicroSystems LLC

  • Body Breadth:

    3 mm

  • Body Height:

    0.675 mm

  • Body Length or Diameter:

    3 mm

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °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

  • Screening Level:

    AEC-Q100

  • Sensors/Transducers Type:

    CURRENT SENSOR

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Surface Mount:

    YES

  • Terminal Finish:

    MATTE TIN

ACS71240KEXBLT-010B3-115 Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the ACS71240 is -40°C to 150°C.
  • The ACS71240 does not require calibration. It is a ratiometric device, meaning that the output voltage is proportional to the supply voltage. However, it's recommended to follow the application note AN26941 from Allegro MicroSystems for proper PCB layout and design guidelines.
  • The bandwidth of the ACS71240 is 80 kHz. It's recommended to use a low-pass filter to remove high-frequency noise and ensure accurate current measurements.
  • Yes, the ACS71240 can be used for AC current measurement. However, it's essential to ensure that the frequency of the AC current is within the bandwidth of the device (80 kHz). Additionally, the output voltage will be a sinusoidal waveform, and you may need to use additional circuitry to convert it to a DC signal.
  • The ACS71240 has a temperature coefficient of ±1.5% per °C. This means that the output voltage will vary by ±1.5% for every 1°C change in temperature. It's essential to consider this when designing your application, especially if you're working in high-temperature environments.

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ACS71240KEXBLT-010B3-115 Overview

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