Allegro MicroSystems, LLC
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ดูข้อมูลจำเพาะสำหรับรายละเอียดสินค้า.
A3281ELTTR
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A3281ELTTR Product Overview

Introduction

The A3281ELTTR is a versatile electronic component that belongs to the category of integrated circuits. This product is widely used in various electronic devices and systems due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Integrated Circuit
  • Use: Control and sensing applications
  • Characteristics: High precision, low power consumption, compact design
  • Package: Surface mount package
  • Essence: Provides precise control and sensing capabilities
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Operating Voltage: 3.0V to 5.5V
  • Output Current: 50mA
  • Operating Temperature: -40°C to 85°C
  • Package Type: SOT23W

Detailed Pin Configuration

The A3281ELTTR features a standard SOT23W package with the following pin configuration: 1. VCC 2. GND 3. Output

Functional Features

  • Magnetic Sensing: Capable of detecting magnetic fields with high precision
  • Output Control: Provides a digital output based on the detected magnetic field
  • Low Power Consumption: Ideal for battery-powered applications

Advantages and Disadvantages

Advantages

  • High precision sensing
  • Low power consumption
  • Compact design

Disadvantages

  • Limited output current capacity
  • Operating temperature range may not be suitable for extreme environments

Working Principles

The A3281ELTTR operates based on the Hall effect, where it detects changes in magnetic fields and provides corresponding digital outputs. This principle enables precise control and sensing in various applications.

Detailed Application Field Plans

The A3281ELTTR is well-suited for the following application fields: - Proximity sensing in consumer electronics - Brushless DC motor control - Position sensing in automotive systems

Detailed and Complete Alternative Models

  • A3282ELTTR: Similar functionality with enhanced temperature range
  • A3283ELTTR: Higher output current capacity for specific applications
  • A3284ELTTR: Enhanced precision and sensitivity for critical sensing applications

In conclusion, the A3281ELTTR is a highly versatile integrated circuit with precise control and sensing capabilities, making it an essential component in various electronic systems and devices.

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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ A3281ELTTR ในโซลูชันทางเทคนิค

  1. What is the A3281ELTTR?

    • The A3281ELTTR is a Hall-effect sensor IC designed for use in applications such as brushless DC motor commutation, speed and direction detection, and magnetic encoding.

  2. What is the operating voltage range of the A3281ELTTR?

    • The A3281ELTTR operates within a voltage range of 3.8V to 24V, making it suitable for a wide variety of applications.

  3. What is the output type of the A3281ELTTR?

    • The A3281ELTTR provides open-drain output, allowing for easy interfacing with microcontrollers and other digital circuits.

  4. What is the temperature range for the A3281ELTTR?

    • The A3281ELTTR has an operating temperature range of -40°C to 150°C, enabling its use in harsh environmental conditions.

  5. How does the A3281ELTTR handle overcurrent protection?

    • The A3281ELTTR features built-in overcurrent protection, ensuring the safety and reliability of the connected system.

  6. Can the A3281ELTTR be used for position sensing in automotive applications?

    • Yes, the A3281ELTTR is suitable for position sensing in automotive applications, such as throttle control and gearbox position detection.

  7. What are the key advantages of using the A3281ELTTR in brushless DC motor control?

    • The A3281ELTTR offers high sensitivity, low hysteresis, and robust thermal performance, making it ideal for precise and reliable motor control.

  8. Does the A3281ELTTR require external components for operation?

    • The A3281ELTTR requires minimal external components, simplifying the design and reducing overall system cost.

  9. Can the A3281ELTTR be used in battery-powered applications?

    • Yes, the A3281ELTTR's low power consumption and wide voltage range make it well-suited for battery-powered applications.

  10. Is the A3281ELTTR RoHS compliant?

    • Yes, the A3281ELTTR is RoHS compliant, meeting environmental standards for lead-free and hazardous substance-free manufacturing.