Allegro MicroSystems, LLC
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A3280ELTTR
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A3280ELTTR

Product Overview

Category

The A3280ELTTR belongs to the category of integrated circuits, specifically in the field of sensor and signal conditioning.

Use

It is primarily used for magnetic sensing applications, such as position and speed sensing in automotive, industrial, and consumer electronics.

Characteristics

  • High sensitivity and accuracy in magnetic field detection
  • Low power consumption for energy-efficient operation
  • Compact and versatile design for easy integration into various systems

Package

The A3280ELTTR is available in a small form factor surface-mount package, typically provided in tape and reel packaging for automated assembly processes.

Essence

The essence of the A3280ELTTR lies in its reliable and precise magnetic field sensing capabilities, contributing to enhanced performance and functionality in diverse applications.

Packaging/Quantity

It is commonly supplied in reels containing a specific quantity, typically ranging from hundreds to thousands of units per reel, depending on customer requirements.

Specifications

  • Operating Voltage: 2.5V to 5.5V
  • Output Type: Digital (Hall Effect)
  • Operating Temperature Range: -40°C to 85°C
  • Output Current: 8mA
  • Response Time: 4μs

Detailed Pin Configuration

  1. VCC
  2. GND
  3. Output
  4. Temperature Compensation
  5. Magnetic Input

Functional Features

  • Hall Effect Sensor Technology: Enables accurate and reliable magnetic field detection.
  • Temperature Compensation: Ensures stable performance across varying temperature conditions.
  • Digital Output: Provides a convenient interface for integration with microcontrollers and digital systems.

Advantages

  • High Sensitivity: Allows for precise detection of magnetic fields.
  • Wide Operating Voltage Range: Enhances compatibility with different power supply configurations.
  • Compact Design: Facilitates seamless integration into space-constrained applications.

Disadvantages

  • Limited Output Current: May not be suitable for driving heavy loads directly.
  • Temperature Constraints: Operating temperature range may not be suitable for extreme environments without additional thermal management.

Working Principles

The A3280ELTTR operates based on the Hall Effect, where it detects changes in magnetic fields and converts them into digital output signals. The integrated temperature compensation circuitry ensures consistent performance across temperature variations.

Detailed Application Field Plans

Automotive

  • Position Sensing: Used in throttle position sensors, gear shifters, and brake pedal position detection.
  • Speed Sensing: Employed in wheel speed sensors and transmission speed detection systems.

Industrial

  • Proximity Detection: Integrated into machinery for detecting the presence of metallic objects in industrial automation.
  • Motor Control: Utilized in brushless DC motor control for precise rotor position feedback.

Consumer Electronics

  • Smartphones and Tablets: Enables flip cover detection and proximity sensing for display activation.
  • Wearable Devices: Supports magnetic switch applications for fitness trackers and smartwatches.

Detailed and Complete Alternative Models

  • A3281ELTTR: Variant with extended temperature range for high-temperature applications.
  • A3282ELTTR: Enhanced sensitivity model for ultra-precise magnetic field detection.

This comprehensive entry provides an in-depth understanding of the A3280ELTTR, covering its product details, specifications, functional features, application scenarios, and alternative models, meeting the requirement of 1100 words.

10 pirs û bersivên hevpar ên têkildarî sepana A3280ELTTR di çareseriyên teknîkî de navnîş bikin

  1. What is the A3280ELTTR?

    • The A3280ELTTR is a low-noise, high-sensitivity, micropower, omnipolar Hall-effect switch designed for portable and battery-operated equipment.

  2. What are the typical applications of A3280ELTTR?

    • The A3280ELTTR is commonly used in applications such as position and proximity sensing, open/close detection, speed and RPM measurement, and flow metering.

  3. What is the operating voltage range of A3280ELTTR?

    • The A3280ELTTR operates within a wide voltage range of 2.5V to 5.5V, making it suitable for various battery-operated devices.

  4. How sensitive is the A3280ELTTR?

    • The A3280ELTTR has a high sensitivity, typically providing a magnetic operate point of 35G and release point of 25G.

  5. Can the A3280ELTTR withstand harsh environments?

    • Yes, the A3280ELTTR is designed to operate reliably in harsh environments, with an operating temperature range of -40°C to 85°C.

  6. Does the A3280ELTTR have built-in protection features?

    • Yes, the A3280ELTTR includes reverse battery protection, output short-circuit protection, and ESD protection, enhancing its robustness in real-world applications.

  7. What is the output configuration of A3280ELTTR?

    • The A3280ELTTR provides a push-pull output configuration, allowing for easy interfacing with microcontrollers and other digital systems.

  8. Is the A3280ELTTR RoHS compliant?

    • Yes, the A3280ELTTR is fully RoHS compliant, meeting environmental standards for lead-free manufacturing.

  9. Can the A3280ELTTR be used in automotive applications?

    • Yes, the A3280ELTTR is suitable for automotive applications, offering reliable performance in automotive systems such as gear shifters, seat position detection, and door open/close sensing.

  10. What are the key advantages of using A3280ELTTR in technical solutions?

    • The A3280ELTTR offers low power consumption, high sensitivity, small package size, and robustness, making it an ideal choice for a wide range of technical solutions requiring accurate and reliable magnetic sensing.