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MMA3201D
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MMA3201D

Product Overview

Category

The MMA3201D belongs to the category of accelerometers, specifically a dual-axis, low-g accelerometer.

Use

It is used for measuring acceleration in various applications such as automotive, industrial, and consumer electronics.

Characteristics

  • Dual-axis accelerometer
  • Low-g sensing capability
  • High sensitivity and accuracy
  • Compact and lightweight design

Package

The MMA3201D comes in a small surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of the MMA3201D lies in its precise measurement of low-level accelerations in two axes, enabling accurate motion detection and tilt sensing.

Packaging/Quantity

The MMA3201D is typically available in tape and reel packaging with quantities varying based on the supplier and customer requirements.

Specifications

  • Sensing Range: ±2g
  • Sensitivity: 800 mV/g
  • Operating Voltage: 2.2V to 3.6V
  • Output Type: Analog
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 3mm x 3mm x 1mm

Detailed Pin Configuration

The MMA3201D features a standard 8-pin surface-mount configuration: 1. VDD (Power supply) 2. GND (Ground) 3. XOUT (X-axis analog output) 4. NC (No connection) 5. YOUT (Y-axis analog output) 6. NC (No connection) 7. SELF_TEST (Self-test input) 8. SLEEP (Sleep mode control)

Functional Features

  • Dual-axis sensing
  • Low power consumption
  • Self-test capability
  • Sleep mode for power management
  • High linearity and stability

Advantages

  • Accurate low-g sensing
  • Small form factor
  • Wide operating temperature range
  • Low power consumption
  • Self-test feature for reliability checks

Disadvantages

  • Limited sensing range compared to higher-g accelerometers
  • Analog output requires external signal conditioning

Working Principles

The MMA3201D operates based on the principle of capacitive sensing, where the deflection of microstructures due to acceleration generates a differential capacitance that is converted into an analog voltage proportional to the applied acceleration.

Detailed Application Field Plans

The MMA3201D finds application in: - Automotive safety systems - Industrial vibration monitoring - Tilt sensing in consumer electronics - Motion detection in gaming controllers - Wearable fitness devices

Detailed and Complete Alternative Models

  • MMA8452Q: Triple-axis accelerometer with digital output
  • ADXL362: Ultra-low power, digital output accelerometer
  • BMA250E: Low-power, digital output accelerometer

In conclusion, the MMA3201D offers precise dual-axis low-g sensing in a compact package, making it suitable for various applications requiring accurate motion detection and tilt sensing.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MMA3201D i tekniska lösningar

  1. What is MMA3201D?

    • MMA3201D is a low-g, three-axis accelerometer sensor that measures acceleration in three dimensions.

  2. What are the typical applications of MMA3201D?

    • MMA3201D is commonly used in applications such as motion detection, tilt sensing, and vibration monitoring in various technical solutions.

  3. How does MMA3201D communicate with microcontrollers or other devices?

    • MMA3201D typically communicates using standard digital interfaces such as I2C or SPI to transfer data to microcontrollers or other devices.

  4. What is the operating voltage range of MMA3201D?

    • The operating voltage range of MMA3201D is typically between 2.2V and 3.6V.

  5. Can MMA3201D be used in battery-powered devices?

    • Yes, MMA3201D's low power consumption makes it suitable for use in battery-powered devices.

  6. What is the resolution of MMA3201D?

    • MMA3201D has a resolution of up to 10 bits, providing accurate measurement of acceleration.

  7. Is MMA3201D suitable for high-impact environments?

    • MMA3201D is designed to withstand high impact and is suitable for use in harsh environments.

  8. What are the key features of MMA3201D?

    • Some key features of MMA3201D include low power consumption, low noise, and a wide measurement range.

  9. Can MMA3201D be used for detecting orientation changes in electronic devices?

    • Yes, MMA3201D can be used for detecting orientation changes, making it suitable for applications such as screen rotation in smartphones and tablets.

  10. Are there any specific calibration requirements for MMA3201D?

    • MMA3201D may require initial calibration to ensure accurate measurement, especially in precision applications.