NXP USA Inc.
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MMA5248LWR2
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MMA5248LWR2

Product Overview

Category

The MMA5248LWR2 belongs to the category of accelerometers.

Use

It is used for measuring acceleration and tilt in various applications.

Characteristics

  • High sensitivity
  • Low power consumption
  • Small form factor
  • Wide measurement range

Package

The MMA5248LWR2 is available in a small, surface-mount package.

Essence

This accelerometer is essential for precise motion sensing and orientation detection.

Packaging/Quantity

The MMA5248LWR2 is typically sold in reels containing a specific quantity per reel.

Specifications

  • Measurement Range: ±2g, ±4g, ±8g, ±16g
  • Output Resolution: 12-bit
  • Operating Voltage: 1.95V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Output Data Rate: Selectable up to 800Hz

Detailed Pin Configuration

The MMA5248LWR2 has a standard pin configuration with pins for power supply, ground, and digital communication.

Functional Features

  • Three-axis accelerometer
  • Digital output
  • Low noise
  • Built-in self-test functionality

Advantages and Disadvantages

Advantages

  • High sensitivity allows for accurate measurements
  • Low power consumption extends battery life in portable devices
  • Small form factor enables integration into compact designs

Disadvantages

  • Limited measurement range compared to some other accelerometers
  • Sensitive to external vibrations and shocks

Working Principles

The MMA5248LWR2 operates based on the principles of microelectromechanical systems (MEMS) technology. It utilizes capacitive sensing to measure changes in acceleration along three axes.

Detailed Application Field Plans

Automotive

In automotive applications, the MMA5248LWR2 can be used for vehicle stability control, rollover detection, and impact sensing.

Consumer Electronics

In consumer electronics, it can enable screen rotation, gaming control, and gesture recognition in smartphones and tablets.

Industrial Equipment

For industrial equipment, this accelerometer can be utilized for vibration monitoring, inclinometers, and equipment health monitoring.

Detailed and Complete Alternative Models

  • ADXL345
  • LIS3DH
  • KX022

In conclusion, the MMA5248LWR2 accelerometer offers high sensitivity and low power consumption, making it suitable for a wide range of applications in automotive, consumer electronics, and industrial equipment. While it has limitations in terms of measurement range and susceptibility to external vibrations, its compact size and digital output make it a versatile choice for motion sensing and orientation detection.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de MMA5248LWR2 em soluções técnicas

  1. What is the MMA5248LWR2?

    • The MMA5248LWR2 is a low-power, three-axis accelerometer designed for motion and tilt sensing applications.

  2. What is the operating voltage range of the MMA5248LWR2?

    • The operating voltage range of the MMA5248LWR2 is 1.71V to 3.6V.

  3. What are the typical applications of the MMA5248LWR2?

    • Typical applications of the MMA5248LWR2 include mobile devices, gaming controllers, industrial equipment, and wearable fitness trackers.

  4. What is the resolution of the MMA5248LWR2?

    • The MMA5248LWR2 has a 12-bit resolution for each axis.

  5. Can the MMA5248LWR2 be used for detecting orientation changes in a device?

    • Yes, the MMA5248LWR2 can be used to detect orientation changes due to its high sensitivity and low noise characteristics.

  6. What communication interfaces does the MMA5248LWR2 support?

    • The MMA5248LWR2 supports both I2C and SPI communication interfaces for easy integration with microcontrollers.

  7. Is the MMA5248LWR2 suitable for battery-powered devices?

    • Yes, the MMA5248LWR2 is designed for low power consumption, making it suitable for battery-powered devices.

  8. What are the key features of the MMA5248LWR2?

    • The key features of the MMA5248LWR2 include low power consumption, high sensitivity, built-in self-test functionality, and a wide operating voltage range.

  9. How can the output data from the MMA5248LWR2 be used in a technical solution?

    • The output data from the MMA5248LWR2 can be used for gesture recognition, activity monitoring, screen rotation, and vibration detection in various technical solutions.

  10. Are there any specific design considerations when using the MMA5248LWR2 in a technical solution?

    • Design considerations when using the MMA5248LWR2 include proper PCB layout for noise immunity, calibration for accurate motion detection, and power management for optimal performance in the target application.