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MMA7261QR2
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MMA7261QR2

Introduction

The MMA7261QR2 is a versatile three-axis low-g accelerometer belonging to the category of motion sensing devices. This device is widely used in various applications due to its unique characteristics and features.

Basic Information Overview

  • Category: Motion Sensing Device
  • Use: Measure acceleration in three axes
  • Characteristics: Low power consumption, high sensitivity, small form factor
  • Package: Quad Flat No-Lead (QFN)
  • Essence: Accurate measurement of acceleration
  • Packaging/Quantity: Available in reels with varying quantities

Specifications

  • Supply Voltage: 2.2V - 3.6V
  • Current Consumption: 400 µA
  • Sensitivity: Selectable ±1.5g, ±2g, or ±6g full scale
  • Output: Analog voltage output proportional to acceleration
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MMA7261QR2 has a total of 16 pins, including power supply, ground, and analog output pins for each axis.

| Pin Name | Description | |----------|-------------| | VDD | Power Supply | | GND | Ground | | XOUT | X-Axis Analog Output | | YOUT | Y-Axis Analog Output | | ZOUT | Z-Axis Analog Output | | ... | ... |

Functional Features

  • Three-axis measurement capability
  • Selectable sensitivity levels
  • Low power consumption
  • Small form factor
  • Wide operating temperature range

Advantages and Disadvantages

Advantages

  • Accurate measurement of acceleration in three axes
  • Low power consumption
  • Small form factor

Disadvantages

  • Limited to specific sensitivity levels
  • Analog output requires external processing for digital systems

Working Principles

The MMA7261QR2 utilizes micro-electromechanical systems (MEMS) technology to measure acceleration in three axes. When subjected to acceleration, the MEMS structure within the device deflects, causing a change in capacitance which is then converted into an analog voltage output.

Detailed Application Field Plans

The MMA7261QR2 finds extensive use in various applications such as: - Inertial Measurement Units (IMUs) - Motion tracking and analysis systems - Impact detection in sports equipment - Vehicle tilt and inclination monitoring - Robotics for orientation sensing

Detailed and Complete Alternative Models

Some alternative models to the MMA7261QR2 include: - ADXL335 - LIS3LV02DQ - KXSD9

In conclusion, the MMA7261QR2 is a highly versatile motion sensing device with precise three-axis acceleration measurement capabilities. Its compact size, low power consumption, and wide operating temperature range make it suitable for a wide range of applications.

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技術ソリューションにおける MMA7261QR2 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the MMA7261QR2 accelerometer used for?

    • The MMA7261QR2 accelerometer is used to measure acceleration in various technical solutions, such as tilt sensing, motion detection, and vibration monitoring.

  2. What is the operating voltage range of the MMA7261QR2?

    • The operating voltage range of the MMA7261QR2 is typically 2.2V to 3.6V.

  3. How can I interface with the MMA7261QR2 accelerometer?

    • The MMA7261QR2 can be interfaced with a microcontroller or other digital circuitry using analog voltage outputs proportional to the measured acceleration.

  4. What is the sensitivity of the MMA7261QR2 accelerometer?

    • The sensitivity of the MMA7261QR2 can be set to ±1.5g, ±2g, or ±6g through external pin connections.

  5. Can the MMA7261QR2 be used for impact detection?

    • Yes, the MMA7261QR2 can be used for impact detection by measuring sudden changes in acceleration beyond a certain threshold.

  6. What are the typical applications of the MMA7261QR2 in technical solutions?

    • Typical applications include orientation detection, activity monitoring, pedometers, and gaming controllers.

  7. Does the MMA7261QR2 require external filtering or conditioning?

    • It may require some external filtering or conditioning to minimize noise and improve accuracy in measurement.

  8. Is the MMA7261QR2 suitable for battery-powered devices?

    • Yes, the low operating voltage range makes the MMA7261QR2 suitable for battery-powered devices.

  9. Can the output of the MMA7261QR2 be calibrated?

    • Yes, the output can be calibrated to ensure accurate measurement of acceleration.

  10. Are there any specific mounting considerations for the MMA7261QR2?

    • Mounting considerations include minimizing mechanical stress on the device and ensuring proper orientation for accurate measurement.