MMA6280QT

Product Overview

The MMA6280QT is a micro-machined accelerometer sensor designed for use in various electronic devices. This sensor falls under the category of motion sensors and is commonly used in applications that require accurate measurement of acceleration, tilt, and motion detection. The MMA6280QT is known for its compact size, high sensitivity, and low power consumption. It is typically packaged in a small, surface-mount package and is available in various quantities to suit different production needs.

Specifications

• Measurement Range: ±2g, ±4g, ±8g
• Sensitivity: 800 mV/g
• Operating Voltage: 2.2V - 3.6V
• Low Power Consumption: 400 μA
• Package Type: 16-pin QFN
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MMA6280QT features a 16-pin Quad Flat No-Lead (QFN) package with specific pin assignments for power supply, ground, and communication interfaces. The detailed pin configuration is as follows: 1. VDD 2. NC 3. XOUT 4. NC 5. NC 6. YOUT 7. NC 8. NC 9. ZOUT 10. NC 11. NC 12. GND 13. NC 14. NC 15. NC 16. NC

Functional Features

The MMA6280QT accelerometer sensor offers the following functional features: - High Sensitivity: Provides accurate measurement of acceleration and tilt. - Low Power Consumption: Ideal for battery-powered devices. - Digital Output: Supports easy integration with microcontrollers and digital signal processors. - Built-in Self-Test: Allows for diagnostic testing and calibration.

Advantages and Disadvantages

Advantages

• Compact Size: Enables integration into small form factor devices.
• High Sensitivity: Provides precise motion detection capabilities.
• Low Power Consumption: Extends battery life in portable applications.

Disadvantages

• Limited Measurement Range: May not be suitable for high-g applications.
• Sensitivity to External Noise: Requires careful shielding in noisy environments.

Working Principles

The MMA6280QT operates based on the principle of capacitive sensing. When subjected to acceleration or tilt, the sensor's internal microstructures generate capacitance changes, which are then converted into electrical signals. These signals are processed to determine the magnitude and direction of the applied force, providing accurate motion detection capabilities.

Detailed Application Field Plans

The MMA6280QT finds extensive application in various fields, including: - Consumer Electronics: Used in smartphones, gaming controllers, and wearable devices for motion sensing and gesture recognition. - Automotive: Integrated into vehicle navigation systems, electronic stability control, and rollover detection systems. - Industrial Automation: Employed in machinery monitoring, vibration analysis, and inclinometers for equipment leveling.

Detailed and Complete Alternative Models

For users seeking alternative models with similar functionality, the following accelerometer sensors can be considered: - ADXL345 from Analog Devices - LIS3DH from STMicroelectronics - KX022 from Kionix

In conclusion, the MMA6280QT accelerometer sensor offers high sensitivity, low power consumption, and compact design, making it suitable for a wide range of motion sensing applications across various industries.

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