Honeywell Microelectronics & Precision Sensors
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HMC5883L-TR
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HMC5883L-TR

Introduction

The HMC5883L-TR is a magnetic sensor belonging to the category of magnetometers. It is widely used for measuring magnetic fields and is known for its high accuracy and reliability. This entry provides an overview of the HMC5883L-TR, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Magnetometer
  • Use: Measuring magnetic fields
  • Characteristics: High accuracy, reliable performance
  • Package: Surface Mount
  • Essence: Precise magnetic field measurement
  • Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

  • Operating Voltage: 2.16V to 3.6V
  • Operating Temperature: -40°C to +85°C
  • Resolution: 12-bit
  • Output Data Rate: 160 Hz
  • Interface: I2C

Detailed Pin Configuration

The HMC5883L-TR has a 16-pin surface mount package with the following pin configuration: 1. VDD - Power supply 2. GND - Ground 3. DRDY - Data ready 4. SDA - I2C data 5. SCL - I2C clock 6. EOC - End of conversion 7. CRA0 - Configuration register A bit 0 8. CRB0 - Configuration register B bit 0 9. MODE - Mode select 10. MR0 - Measurement output 11. MR1 - Measurement output 12. MR2 - Measurement output 13. NC - Not connected 14. NC - Not connected 15. NC - Not connected 16. NC - Not connected

Functional Features

  • High sensitivity and resolution
  • Low power consumption
  • Self-test function
  • Built-in offset cancellation

Advantages and Disadvantages

Advantages

  • Accurate and reliable measurements
  • Low power consumption
  • Self-test function ensures sensor integrity

Disadvantages

  • Limited operating temperature range (-40°C to +85°C)
  • Requires careful calibration for optimal performance

Working Principles

The HMC5883L-TR operates based on the principles of Hall effect sensing. When exposed to a magnetic field, the sensor generates a voltage proportional to the field strength, which is then converted into digital data for further processing.

Detailed Application Field Plans

The HMC5883L-TR finds extensive applications in various fields, including: - Compass and navigation systems - Robotics and drones for heading control - Industrial automation for position sensing - Consumer electronics for augmented reality applications

Detailed and Complete Alternative Models

Some alternative models to the HMC5883L-TR include: - HMC5983 - MAG3110 - QMC5883L

In conclusion, the HMC5883L-TR is a highly reliable magnetometer with precise measurement capabilities, making it suitable for diverse applications requiring accurate magnetic field sensing.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af HMC5883L-TR i tekniske løsninger

  1. What is the HMC5883L-TR?

    • The HMC5883L-TR is a 3-axis digital compass sensor that provides accurate heading information.

  2. How does the HMC5883L-TR work?

    • The sensor uses magnetoresistive technology to detect changes in magnetic fields and converts this information into digital output.

  3. What are the typical applications of the HMC5883L-TR?

    • It is commonly used in applications such as electronic compasses, navigation systems, robotics, and tilt-compensated compasses.

  4. How accurate is the HMC5883L-TR?

    • The sensor has a typical accuracy of ±2 degrees.

  5. What is the operating voltage range for the HMC5883L-TR?

    • The sensor operates within a voltage range of 2.16V to 3.6V.

  6. Does the HMC5883L-TR require calibration?

    • Yes, the sensor may require calibration to compensate for local magnetic interference.

  7. Can the HMC5883L-TR be used in mobile applications?

    • Yes, it can be integrated into mobile devices to provide orientation and navigation capabilities.

  8. Is the HMC5883L-TR sensitive to external magnetic interference?

    • Yes, it is sensitive to nearby ferrous materials and other magnetic sources, so proper shielding and placement are important.

  9. What communication interface does the HMC5883L-TR use?

    • It communicates via I2C or SPI interface, providing flexibility for integration with various microcontrollers.

  10. Are there any special considerations for PCB layout when using the HMC5883L-TR?

    • Proper grounding, isolation from noisy components, and careful routing of signal traces are important for optimal performance.

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