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A3213ELHLT-T - Allegro Microsystems

Description: Micropower, Ultrasensitive Hall-Effect Switch

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Symbol
A3213ELHLT-T - Allegro Microsystems - PCB symbol
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PCB Footprints
A3213ELHLT-T - Allegro Microsystems PCB footprint - Other - Other - LH,3-Pin (SOT-23W)
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3D Models
A3213ELHLT-T - Allegro Microsystems - 3D model - Other - LH,3-Pin (SOT-23W)
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A3213ELHLT-T Details

  • Manufacturer Part Number:

    A3213ELHLT-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 3 PIN

  • Pin Count:

    3

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    7

  • Body Breadth:

    1.91 mm

  • Body Height:

    0.95 mm

  • Body Length or Diameter:

    2.98 mm

  • Housing:

    PLASTIC

  • Hysteresis:

    1 mT

  • Input Mode:

    BIPOLAR

  • Magnetic Field Range-Max:

    7 mT

  • Magnetic Field Range-Min:

    1 mT

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    3

  • Operating Current-Max:

    0.85 mA

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Type:

    DIGITAL VOLTAGE

  • Package Equivalence Code:

    TO-236

  • Package Shape/Style:

    RECTANGULAR

  • Screening Level:

    AEC-Q100

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,HALL EFFECT

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.4 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Termination Type:

    SOLDER

A3213ELHLT-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the A3213ELHLT-T involves keeping the sensitive analog circuitry away from the digital and power supply lines. Use a multi-layer board with a solid ground plane and separate analog and digital power supplies. Keep the analog input traces short and away from noise sources.
  • To minimize the effects of external magnetic fields, use a mu-metal shield around the device, and ensure the PCB layout is designed to minimize loop areas. Also, use a low-pass filter on the output to reduce high-frequency noise.
  • The recommended operating temperature range for the A3213ELHLT-T is -40°C to 150°C. However, the device can operate up to 175°C for short periods of time. Ensure proper thermal management to prevent overheating.
  • Calibration involves adjusting the internal offset and sensitivity of the device. Use a known magnetic field source and adjust the offset and sensitivity registers to achieve optimal performance. Refer to the application note for detailed calibration procedures.
  • The maximum allowable voltage on the VCC pin of the A3213ELHLT-T is 5.5V. Exceeding this voltage can cause permanent damage to the device.

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A3213ELHLT-T Overview

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