Allegro MicroSystems, LLC
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A1125EUA-T
צפה בפרטים DataSheets

A1125EUA-T Product Encyclopedia Entry

Introduction

The A1125EUA-T is a versatile electronic component that belongs to the category of magnetic sensors. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Magnetic Sensor
  • Use: Detection of magnetic fields and proximity sensing
  • Characteristics: High sensitivity, compact size, low power consumption
  • Package: Surface mount package
  • Essence: Utilizes Hall effect technology for precise magnetic field detection
  • Packaging/Quantity: Typically available in reels of 2500 units

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Output Type: Digital
  • Operating Temperature Range: -40°C to 85°C
  • Sensitivity: 50mV/Gauss
  • Response Time: 5µs

Detailed Pin Configuration

The A1125EUA-T typically features three pins: 1. VCC (Power Supply) 2. GND (Ground) 3. OUT (Digital Output)

Functional Features

  • Precise detection of magnetic fields
  • Proximity sensing capabilities
  • Low power consumption
  • Compact and surface-mountable package

Advantages and Disadvantages

Advantages

  • High sensitivity
  • Wide operating voltage range
  • Fast response time
  • Small form factor

Disadvantages

  • Susceptible to electromagnetic interference
  • Limited temperature range compared to some alternatives

Working Principles

The A1125EUA-T operates based on the Hall effect, where a voltage difference is generated across a conductor when subjected to a magnetic field. This voltage difference is then processed to provide a digital output signal indicating the presence or absence of a magnetic field.

Detailed Application Field Plans

The A1125EUA-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 robotics and automation

Detailed and Complete Alternative Models

  1. A1101R09C-T: Similar magnetic sensor with extended temperature range
  2. A1104R08A-T: Alternative sensor with higher sensitivity
  3. A1106R09C-T: Magnetic sensor with integrated voltage regulator for wider voltage range operation

In conclusion, the A1125EUA-T is a highly sensitive magnetic sensor with diverse applications in modern electronics. Its compact size and low power consumption make it an attractive choice for designers seeking reliable magnetic field detection solutions.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של A1125EUA-T בפתרונות טכניים

  1. What is the A1125EUA-T sensor used for?

    • The A1125EUA-T sensor is commonly used for measuring magnetic fields in various technical applications.

  2. What is the operating voltage range of the A1125EUA-T sensor?

    • The operating voltage range of the A1125EUA-T sensor is typically between 3.0V and 3.6V.

  3. What is the output signal format of the A1125EUA-T sensor?

    • The A1125EUA-T sensor provides an analog output signal proportional to the detected magnetic field strength.

  4. Can the A1125EUA-T sensor be used for non-contact position sensing?

    • Yes, the A1125EUA-T sensor can be utilized for non-contact position sensing applications due to its ability to detect changes in magnetic fields.

  5. What is the temperature range within which the A1125EUA-T sensor operates?

    • The A1125EUA-T sensor typically operates within a temperature range of -40°C to 85°C.

  6. Is the A1125EUA-T sensor suitable for automotive applications?

    • Yes, the A1125EUA-T sensor is designed to meet the requirements for automotive applications, including reliability and performance under harsh conditions.

  7. What are the key features of the A1125EUA-T sensor?

    • The A1125EUA-T sensor features include high sensitivity, low power consumption, and a small form factor, making it suitable for various technical solutions.

  8. Can the A1125EUA-T sensor be used in consumer electronics?

    • Yes, the A1125EUA-T sensor can be integrated into consumer electronics for applications such as touchless control and gesture recognition.

  9. Does the A1125EUA-T sensor require external calibration?

    • The A1125EUA-T sensor typically does not require external calibration, as it is factory-programmed and compensated for temperature effects.

  10. Are there any application notes or reference designs available for the A1125EUA-T sensor?

    • Yes, application notes and reference designs are available to assist with integrating the A1125EUA-T sensor into various technical solutions, providing guidance on best practices and implementation strategies.