Allegro MicroSystems, LLC
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A1202LLHLT-T
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A1202LLHLT-T Product Overview

Introduction

The A1202LLHLT-T is a magnetic sensor 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: Magnetic Sensor
  • Use: Detection of magnetic fields
  • Characteristics: High sensitivity, low power consumption
  • Package: SOT-23 surface mount package
  • Essence: Utilizes Hall Effect to detect magnetic fields
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

  • Operating Voltage: 3.8V to 24V
  • Output Current: 8mA
  • Operating Temperature: -40°C to 85°C
  • Sensitivity: 30Gauss (typical)

Detailed Pin Configuration

The A1202LLHLT-T sensor has three pins: 1. VCC (Power supply) 2. GND (Ground) 3. OUT (Output signal)

Functional Features

  • High sensitivity to magnetic fields
  • Low power consumption
  • Small form factor for easy integration
  • Reliable operation over a wide temperature range

Advantages and Disadvantages

Advantages

  • Precise detection of magnetic fields
  • Low power consumption
  • Compact size for space-constrained applications

Disadvantages

  • Limited operating temperature range
  • Sensitivity may be affected by external magnetic interference

Working Principles

The A1202LLHLT-T operates based on the Hall Effect, where a voltage difference is generated across a conductor when subjected to a magnetic field. This voltage is then amplified and processed to provide an output signal indicating the presence of a magnetic field.

Detailed Application Field Plans

The A1202LLHLT-T sensor finds extensive use in the following applications: - Proximity sensing in consumer electronics - Position sensing in automotive systems - Speed detection in industrial equipment - Current sensing in power management

Detailed and Complete Alternative Models

  • A1302LLHLT-T: Higher sensitivity variant
  • A1101LLHLT-T: Lower power consumption variant
  • A1324LLHLT-T: Digital output variant with integrated ADC

In conclusion, the A1202LLHLT-T magnetic sensor offers reliable and precise detection of magnetic fields, making it suitable for diverse applications across various industries.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa A1202LLHLT-T katika suluhu za kiufundi

  1. What is the A1202LLHLT-T sensor used for?

    • The A1202LLHLT-T is a Hall effect sensor commonly used for detecting the presence of magnetic fields in various applications.

  2. What is the operating voltage range of the A1202LLHLT-T sensor?

    • The A1202LLHLT-T operates within a voltage range of 3.8V to 24V, making it suitable for a wide range of electronic systems.

  3. How does the A1202LLHLT-T sensor detect magnetic fields?

    • The A1202LLHLT-T utilizes the Hall effect to detect changes in magnetic fields, producing an output voltage proportional to the strength of the field.

  4. What are the typical applications of the A1202LLHLT-T sensor?

    • Typical applications include proximity sensing, position sensing, speed detection, and current sensing in automotive, industrial, and consumer electronics.

  5. What is the output format of the A1202LLHLT-T sensor?

    • The A1202LLHLT-T provides a linear analog output voltage that varies with changes in the magnetic field strength.

  6. What is the temperature range for the A1202LLHLT-T sensor?

    • The A1202LLHLT-T sensor operates within a temperature range of -40°C to 125°C, making it suitable for both indoor and outdoor environments.

  7. Can the A1202LLHLT-T sensor be used in harsh environments?

    • Yes, the A1202LLHLT-T sensor is designed to withstand harsh environmental conditions, including exposure to moisture and vibration.

  8. Does the A1202LLHLT-T sensor require external calibration?

    • No, the A1202LLHLT-T sensor is factory-programmed and does not require external calibration, simplifying its integration into technical solutions.

  9. What is the response time of the A1202LLHLT-T sensor?

    • The A1202LLHLT-T sensor has a fast response time, making it suitable for dynamic magnetic field detection applications.

  10. Is the A1202LLHLT-T sensor RoHS compliant?

    • Yes, the A1202LLHLT-T sensor is RoHS compliant, ensuring it meets environmental standards for hazardous substance restrictions.