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A1318LLHLT-2-T - Allegro Microsystems

Description: Linear Hall-Effect Sensor ICs with Analog Output Available in Miniature, Low-Profile Surface-Mount and SIP Packages

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A1318LLHLT-2-T - Allegro Microsystems - PCB symbol
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PCB Footprints
A1318LLHLT-2-T - Allegro Microsystems PCB footprint - Other - Other - LH,3-Pin (SOT-23W)
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3D Models
A1318LLHLT-2-T - Allegro Microsystems - 3D model - Other - LH,3-Pin (SOT-23W)
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A1318LLHLT-2-T Details

  • Manufacturer Part Number:

    A1318LLHLT-2-T

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    SOT-23W, 3 PIN

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    3

  • Body Breadth:

    1.91 mm

  • Body Height:

    0.95 mm

  • Body Length or Diameter:

    2.975 mm

  • Housing:

    PLASTIC

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    3

  • Operating Current-Max:

    10 mA

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Type:

    ANALOG VOLTAGE

  • Package Equivalence Code:

    TO-236

  • Package Shape/Style:

    RECTANGULAR

  • Resistance:

    1 Ω

  • Sensitivity (mV/G):

    2.5 mV/G

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,HALL EFFECT

  • Supply Voltage-Max:

    3.63 V

  • Supply Voltage-Min:

    3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    MATTE TIN

  • Termination Type:

    SOLDER

A1318LLHLT-2-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the A1318LLHLT-2-T involves keeping the device away from high-current carrying traces, using a solid ground plane, and minimizing the length of the traces connected to the output pins. Allegro provides a recommended PCB layout in their application note AN296055.
  • To minimize the effects of external magnetic fields, use a mu-metal shield around the device, keep the device away from ferromagnetic materials, and orient the device such that the axis of the internal magnet is perpendicular to the external magnetic field.
  • The recommended operating temperature range for the A1318LLHLT-2-T is -40°C to 150°C. However, the device can operate up to 175°C for short periods of time. Consult the datasheet for more information on temperature-related specifications.
  • To handle the output signal from the A1318LLHLT-2-T in a noisy environment, use a low-pass filter to remove high-frequency noise, and consider using a differential amplifier to amplify the signal and improve common-mode rejection.
  • The recommended method for soldering the A1318LLHLT-2-T is to use a reflow soldering process with a peak temperature of 260°C for 10-30 seconds. Hand soldering is not recommended due to the device's small size and sensitive internal components.

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A1318LLHLT-2-T Overview

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