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A1324LLHLX-T - Allegro Microsystems

Description: Low Noise, Linear Hall-Effect Sensor IC With Analog Output

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A1324LLHLX-T - Allegro Microsystems - PCB symbol
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PCB Footprints
A1324LLHLX-T - Allegro Microsystems PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - LH, 3-Pin (SOT-23W)_2022
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3D Models
A1324LLHLX-T - Allegro Microsystems - 3D model - SOT23 (3-Pin) - LH, 3-Pin (SOT-23W)_2022
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A1324LLHLX-T Details

  • Manufacturer Part Number:

    A1324LLHLX-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOT-23W, 3 PIN

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    7

  • Body Breadth:

    1.91 mm

  • Body Height:

    1 mm

  • Body Length or Diameter:

    2.98 mm

  • Housing:

    PLASTIC

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    3

  • Operating Current-Max:

    9 mA

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Circuit Type:

    SINGLE-ENDED

  • Output Type:

    ANALOG VOLTAGE

  • Package Equivalence Code:

    TO-236

  • Package Shape/Style:

    RECTANGULAR

  • Resistance:

    1 Ω

  • Sensitivity (mV/G):

    5000 mV/G

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,HALL EFFECT

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    MATTE TIN

  • Termination Type:

    SOLDER

A1324LLHLX-T Frequently Asked Questions (FAQs)

  • A symmetrical layout with a central ground plane and minimal signal trace length is recommended. Allegro provides a reference layout in their application note AN296070.
  • The output voltage swing of the A1324LLHLX-T is proportional to the current sensed. To ensure accurate current sensing, use a voltage reference and an ADC with a sufficient resolution to capture the output voltage swing.
  • The A1324LLHLX-T has a temperature coefficient of ±0.5% per °C. To minimize temperature-related errors, use a thermistor or thermocouple to monitor the temperature and compensate for the drift.
  • Use a low-pass filter with a cutoff frequency above the bandwidth of interest to filter out high-frequency noise. Additionally, use shielding and grounding techniques to minimize electromagnetic interference.
  • Use a 10 μF ceramic capacitor and a 1 μF film capacitor in parallel, placed as close as possible to the VCC pin, to decouple the power supply and minimize noise.

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