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A1454KLETR-4F-T - Allegro Microsystems

Description: 3 V Hall-Effect Linear Sensor with I?C Output

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A1454KLETR-4F-T - Allegro Microsystems - PCB symbol
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A1454KLETR-4F-T - Allegro Microsystems PCB footprint - Other - Other - Package LE, 8-Pin eTSSOP
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3D Models
A1454KLETR-4F-T - Allegro Microsystems - 3D model - Other - Package LE, 8-Pin eTSSOP
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A1454KLETR-4F-T Details

  • Manufacturer Part Number:

    A1454KLETR-4F-T

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    7

  • Body Breadth:

    3 mm

  • Body Height:

    0.95 mm

  • Body Length or Diameter:

    4.4 mm

  • Housing:

    PLASTIC

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    8

  • Operating Current-Max:

    5 mA

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    OPEN-DRAIN

  • Output Interface Type:

    I2C INTERFACE

  • Output Range:

    0.36V

  • Output Type:

    DIGITAL VOLTAGE

  • Package Equivalence Code:

    TSSOP8,.25

  • Package Shape/Style:

    RECTANGULAR

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,HALL EFFECT

  • Supply Voltage-Max:

    3.5 V

  • Supply Voltage-Min:

    2.65 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Termination Type:

    SOLDER

A1454KLETR-4F-T Frequently Asked Questions (FAQs)

  • Allegro provides a recommended PCB layout in their application note AN296050, which includes guidelines for trace routing, component placement, and thermal management to ensure optimal performance and minimize noise.
  • The A1454KLETR-4F-T has a thermal pad on the bottom of the package, which should be connected to a thermal ground plane on the PCB to dissipate heat. Additionally, ensure good airflow around the device and consider using a heat sink if operating in high-temperature environments.
  • Allegro recommends a 10 μF to 22 μF ceramic capacitor with a voltage rating of 10 V or higher for the VCC filter capacitor. This helps to filter out noise and ensure stable operation.
  • The output pins can be configured for either analog or PWM output by connecting the appropriate pins to VCC or GND. Refer to the datasheet for specific pin configurations and output formats.
  • The A1454KLETR-4F-T can operate up to 120 kHz, but the maximum frequency depends on the specific application and output configuration. Refer to the datasheet for more information on frequency limitations.

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A1454KLETR-4F-T Overview

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