Allegro MicroSystems, LLC
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A1220ELHLX-T
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A1220ELHLX-T Product Overview

Introduction

The A1220ELHLX-T is a versatile electronic component that belongs to the category of Hall Effect sensors. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Hall Effect Sensor
  • Use: Detection of magnetic fields and proximity sensing
  • Characteristics: High sensitivity, low power consumption, digital output
  • Package: Surface mount package
  • Essence: Utilizes Hall Effect to detect magnetic fields
  • Packaging/Quantity: Typically available in reels of 2500 units

Specifications

  • Operating Voltage: 2.5V - 5.5V
  • Output Type: Digital
  • Sensitivity: 30G (3.0 mT)
  • Operating Temperature: -40°C to 85°C
  • Package Type: SOT-23W

Detailed Pin Configuration

The A1220ELHLX-T typically has three pins: 1. VCC (Power supply input) 2. GND (Ground) 3. OUT (Digital output)

Functional Features

  • Detects both north and south pole magnetic fields
  • Operates over a wide voltage range
  • Low current consumption for battery-powered applications
  • Digital output eliminates the need for external analog circuitry

Advantages and Disadvantages

Advantages

  • High sensitivity for precise magnetic field detection
  • Wide operating voltage range enhances versatility
  • Low power consumption prolongs battery life
  • Digital output simplifies interfacing with microcontrollers

Disadvantages

  • Susceptible to electromagnetic interference
  • Limited temperature range compared to some industrial sensors

Working Principles

The A1220ELHLX-T operates based on the Hall Effect, where a voltage difference is created across a conductor when subjected to a magnetic field. This voltage difference is then converted into a digital output signal, indicating the presence or absence of a magnetic field.

Detailed Application Field Plans

The A1220ELHLX-T finds extensive use in various applications, including: - Proximity sensing in consumer electronics - Position sensing in automotive applications - Current sensing in industrial equipment - Speed sensing in appliances and machinery

Detailed and Complete Alternative Models

Some alternative models to the A1220ELHLX-T include: - A1221ELHLT-T: Higher sensitivity variant - A1222ELHLT-T: Lower sensitivity variant - A1223ELHLT-T: Integrated temperature compensation

In conclusion, the A1220ELHLX-T is a highly versatile Hall Effect sensor with a wide range of applications and several alternative models catering to different requirements.

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