Allegro MicroSystems, LLC
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A3211EEHLT-T
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A3211EEHLT-T Product Overview

Introduction

The A3211EEHLT-T is a versatile electronic component that belongs to the category of Hall Effect sensors. This sensor is widely used in various applications due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Hall Effect Sensor
  • Use: Detection of magnetic fields and position sensing
  • Characteristics: High sensitivity, low power consumption, compact size
  • Package: SOT-23 surface mount package
  • Essence: Utilizes the Hall Effect to detect magnetic fields
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

  • Operating Voltage: 2.5V - 5.5V
  • Output Current: 8mA
  • Operating Temperature: -40°C to 85°C
  • Sensitivity: 30Gauss (typical)

Detailed Pin Configuration

The A3211EEHLT-T sensor has three pins: 1. VCC (Power supply) 2. GND (Ground) 3. OUT (Output signal)

Functional Features

  • Magnetic Field Detection: Capable of detecting both north and south pole magnetic fields
  • Position Sensing: Can be used for proximity and position sensing applications
  • Low Power Consumption: Ideal for battery-operated devices

Advantages and Disadvantages

Advantages

  • High sensitivity
  • Compact size
  • Wide operating voltage range

Disadvantages

  • Limited temperature range compared to some alternatives
  • Sensitivity may be affected by external magnetic interference

Working Principles

The A3211EEHLT-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.

Detailed Application Field Plans

The A3211EEHLT-T sensor finds applications in various fields, including: - Proximity detection in consumer electronics - Position sensing in automotive applications - Speed detection in industrial equipment

Detailed and Complete Alternative Models

Some alternative models to the A3211EEHLT-T sensor include: - A3212EEHLT-T: Similar specifications with different sensitivity - A3213EEHLT-T: Higher sensitivity variant for more precise applications - A3214EEHLT-T: Lower sensitivity variant for broader magnetic field detection

In conclusion, the A3211EEHLT-T Hall Effect sensor offers a reliable solution for magnetic field detection and position sensing in diverse electronic applications.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät A3211EEHLT-T :n soveltamiseen teknisissä ratkaisuissa

  1. What is the A3211EEHLT-T?

    • The A3211EEHLT-T is a high-sensitivity, ultra-low-power micropower omnipolar Hall-effect switch designed for portable and battery-operated consumer electronics applications.

  2. What are the typical applications of A3211EEHLT-T?

    • Typical applications include cover detection, open/close detection, position sensing, and proximity sensing in devices such as smartphones, tablets, and wearables.

  3. What is the operating voltage range of A3211EEHLT-T?

    • The operating voltage range is from 2.5V to 3.5V, making it suitable for low-power applications.

  4. What is the output configuration of A3211EEHLT-T?

    • The A3211EEHLT-T has an open-drain output configuration, allowing for easy interfacing with microcontrollers and other digital circuits.

  5. What is the temperature range for A3211EEHLT-T?

    • The device operates over a temperature range of -40°C to 85°C, making it suitable for a wide range of environmental conditions.

  6. Does A3211EEHLT-T have built-in protection features?

    • Yes, it includes reverse polarity protection, thermal shutdown, and short-circuit protection to ensure reliable operation and safeguard against potential damage.

  7. Can A3211EEHLT-T be used in automotive applications?

    • Yes, it is suitable for certain automotive applications, such as position sensing and proximity detection in non-safety-critical systems.

  8. What is the package type of A3211EEHLT-T?

    • The A3211EEHLT-T is available in a small, surface-mount SOT-23 package, which is convenient for compact designs and PCB integration.

  9. Is A3211EEHLT-T RoHS compliant?

    • Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental friendliness and safety.

  10. Where can I find detailed technical information about A3211EEHLT-T?

    • Detailed technical information, including datasheets and application notes, can be found on the manufacturer's website or through authorized distributors.