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A1125LLHLT-T - Allegro Microsystems

Description: Chopper-Stabilized Precision Hall-Effect Switch

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PCB Footprints
A1125LLHLT-T - Allegro Microsystems PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - LH, 3-Pin (SOT-23W)_2022
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3D Models
A1125LLHLT-T - Allegro Microsystems  - 3D model - SOT23 (3-Pin) - LH, 3-Pin (SOT-23W)_2022
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A1125LLHLT-T Details

  • Manufacturer Part Number:

    A1125LLHLT-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23W, 3 PIN

  • Pin Count:

    3

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    6

  • Additional Feature:

    AEC-Q100; SHORT CIRCUIT PROTECTION

  • Body Breadth:

    1.91 mm

  • Body Height:

    1 mm

  • Body Length or Diameter:

    2.98 mm

  • Housing:

    PLASTIC

  • Hysteresis:

    1 mT

  • Input Mode:

    UNIPOLAR

  • JESD-609 Code:

    e3

  • Magnetic Field Range-Max:

    5 mT

  • Magnetic Field Range-Min:

    0.5 mT

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    3

  • Operating Current-Max:

    4 mA

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    OPEN-DRAIN

  • Output Circuit Type:

    TRANSISTOR

  • Output Current-Max:

    60 mA

  • Output Range:

    30-60mA

  • Output Type:

    CURRENT OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    TO-236

  • Package Shape/Style:

    RECTANGULAR

  • Screening Level:

    AEC-Q100

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,HALL EFFECT

  • Supply Voltage-Max:

    24 V

  • Supply Voltage-Min:

    3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Tin (Sn)

  • Termination Type:

    SOLDER

A1125LLHLT-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 AN296055.
  • Use a low-impedance current sense resistor (CSR) and ensure the CSR is placed close to the IC. Also, use a Kelvin connection to the CSR to minimize noise and ensure accurate sensing.
  • The maximum allowable voltage on the VCC pin is 5.5V. Exceeding this voltage may damage the device.
  • Use a low-pass filter or a capacitor to filter out high-frequency noise. Additionally, consider using a shielded cable or a twisted pair to minimize electromagnetic interference.
  • The recommended operating temperature range is -40°C to 150°C. Operating outside this range may affect the device's accuracy and reliability.

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A1125LLHLT-T Overview

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