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MMA6821LKWR2
Product Overview
- Category: Accelerometer Sensor
- Use: Measures acceleration in various applications
- Characteristics: High sensitivity, low power consumption, compact size
- Package: Surface-mount package
- Essence: Provides accurate and reliable measurement of acceleration
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Sensitivity: 800 mV/g
- Operating Voltage: 1.95V to 3.6V
- Output Type: Analog
- Operating Temperature: -40°C to +85°C
- Dimensions: 3mm x 3mm x 1mm
Detailed Pin Configuration
- Pin 1: VDD
- Pin 2: GND
- Pin 3: XOUT
- Pin 4: YOUT
- Pin 5: ZOUT
- Pin 6: NC (Not Connected)
Functional Features
- High sensitivity for precise measurements
- Low power consumption for extended battery life
- Compact size for easy integration into various devices
Advantages
- Accurate and reliable measurement of acceleration
- Low power consumption extends battery life
- Small form factor for versatile integration
Disadvantages
- Limited operating temperature range (-40°C to +85°C)
- Analog output may require additional signal conditioning
Working Principles
The MMA6821LKWR2 operates based on the principle of capacitive sensing. When subjected to acceleration, a mass inside the sensor moves, causing a change in capacitance. This change is then converted into an analog voltage proportional to the applied acceleration.
Detailed Application Field Plans
- Automotive: Vehicle stability control, rollover detection
- Consumer Electronics: Motion-based user interfaces, gaming controllers
- Industrial: Equipment monitoring, vibration analysis
Detailed and Complete Alternative Models
- MMA8452Q: Similar sensitivity and features, digital output
- LIS3DH: Different package, wider temperature range, digital output
This content provides a comprehensive overview of the MMA6821LKWR2 accelerometer sensor, including its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models. The information is structured to provide a clear understanding of the product and its potential uses.
10个与MMA6821LKWR2在技术解决方案中的应用相关的常见问题及解答
What is the MMA6821LKWR2?
- The MMA6821LKWR2 is a low power, high precision 3-axis accelerometer designed for applications requiring orientation detection, gesture recognition, and vibration monitoring.
What is the operating voltage range of the MMA6821LKWR2?
- The operating voltage range of the MMA6821LKWR2 is 1.71V to 3.6V.
What communication interfaces does the MMA6821LKWR2 support?
- The MMA6821LKWR2 supports both I2C and SPI communication interfaces.
What is the resolution of the MMA6821LKWR2?
- The MMA6821LKWR2 has a resolution of 14 bits for acceleration data.
Can the MMA6821LKWR2 be used for tilt sensing applications?
- Yes, the MMA6821LKWR2 can be used for tilt sensing applications due to its high precision and low noise characteristics.
What are the typical applications of the MMA6821LKWR2?
- Typical applications of the MMA6821LKWR2 include screen rotation, gaming controllers, pedometers, and industrial vibration monitoring.
Does the MMA6821LKWR2 have built-in motion detection features?
- Yes, the MMA6821LKWR2 includes built-in motion detection and freefall detection features.
What is the temperature range for operation of the MMA6821LKWR2?
- The MMA6821LKWR2 has an operating temperature range of -40°C to +85°C.
Is the MMA6821LKWR2 suitable for battery-powered devices?
- Yes, the MMA6821LKWR2 is suitable for battery-powered devices due to its low power consumption.
Are there evaluation boards or development kits available for the MMA6821LKWR2?
- Yes, evaluation boards and development kits are available to facilitate the integration and testing of the MMA6821LKWR2 in technical solutions.