NXP USA Inc.
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MMA3221EGR2
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MMA3221EGR2

Product Overview

Category

The MMA3221EGR2 belongs to the category of accelerometers.

Use

It is used for measuring acceleration and tilt in various electronic devices and systems.

Characteristics

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

Package

The MMA3221EGR2 is typically available in a surface-mount package.

Essence

The essence of the MMA3221EGR2 lies in its ability to provide accurate and reliable acceleration measurements in a compact and efficient manner.

Packaging/Quantity

The MMA3221EGR2 is usually supplied in reels containing a specific quantity, as per the manufacturer's specifications.

Specifications

  • Measurement Range: ±2g
  • Sensitivity: 800 mV/g
  • Operating Voltage: 1.95V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Output Type: Analog

Detailed Pin Configuration

The MMA3221EGR2 typically has a standard pin configuration with connections for power, ground, and analog output.

Functional Features

  • High accuracy
  • Low noise
  • Built-in self-test capability
  • Low power mode for power efficiency

Advantages

  • Compact size
  • Wide operating temperature range
  • Low power consumption
  • High sensitivity

Disadvantages

  • Limited measurement range compared to some other accelerometers
  • Analog output may require additional signal conditioning

Working Principles

The MMA3221EGR2 operates based on the principles of microelectromechanical systems (MEMS) technology, where the movement of microscopic structures due to acceleration is converted into electrical signals.

Detailed Application Field Plans

The MMA3221EGR2 finds applications in: - Consumer electronics for screen orientation and gaming control - Industrial equipment for vibration monitoring - Automotive systems for airbag deployment and stability control

Detailed and Complete Alternative Models

Some alternative models to the MMA3221EGR2 include: - MMA8452Q: Offers higher measurement range and digital output - LIS3DH: Provides ultra-low power consumption and high resolution

In conclusion, the MMA3221EGR2 accelerometer offers a balance of size, performance, and power efficiency, making it suitable for various applications requiring accurate acceleration measurements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MMA3221EGR2 en soluciones técnicas

  1. What is MMA3221EGR2?

    • MMA3221EGR2 is a low-power, high-precision, three-axis accelerometer sensor designed for motion and tilt sensing applications.

  2. What is the operating voltage range of MMA3221EGR2?

    • The operating voltage range of MMA3221EGR2 is 1.71V to 3.6V.

  3. What is the output data rate of MMA3221EGR2?

    • The output data rate of MMA3221EGR2 can be configured up to 800Hz.

  4. What are the typical applications of MMA3221EGR2?

    • Typical applications of MMA3221EGR2 include motion detection, gesture recognition, pedometers, and tilt sensing in various electronic devices.

  5. Does MMA3221EGR2 support I2C communication interface?

    • Yes, MMA3221EGR2 supports I2C communication interface for easy integration with microcontrollers and other digital systems.

  6. What is the sensitivity range of MMA3221EGR2?

    • The sensitivity range of MMA3221EGR2 is selectable between ±2g, ±4g, and ±8g.

  7. Is MMA3221EGR2 suitable for battery-powered devices?

    • Yes, MMA3221EGR2 is suitable for battery-powered devices due to its low power consumption and wide operating voltage range.

  8. Can MMA3221EGR2 be used for vibration monitoring applications?

    • While MMA3221EGR2 is primarily designed for motion and tilt sensing, it can also be used for basic vibration monitoring in certain applications.

  9. What are the key features of MMA3221EGR2?

    • Key features of MMA3221EGR2 include low power consumption, high accuracy, configurable interrupt functionality, and built-in self-test capabilities.

  10. Are there any evaluation boards or development kits available for MMA3221EGR2?

    • Yes, evaluation boards and development kits are available to facilitate the evaluation and prototyping of solutions using MMA3221EGR2.