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MMA6821BKCWR2
Product Overview
Category
The MMA6821BKCWR2 belongs to the category of motion sensors.
Use
It is used for detecting and measuring motion and orientation.
Characteristics
- High sensitivity
- Low power consumption
- Small form factor
- Digital output
Package
The sensor comes in a small surface-mount package.
Essence
The essence of the MMA6821BKCWR2 lies in its ability to accurately detect motion and orientation with minimal power consumption.
Packaging/Quantity
The sensor is typically packaged in reels and is available in varying quantities based on customer requirements.
Specifications
- Operating Voltage: 1.71V to 3.6V
- Sensing Range: ±2g, ±4g, ±8g, ±16g
- Output Resolution: 14-bit
- Interface: I2C/SPI
- Operating Temperature: -40°C to +85°C
Detailed Pin Configuration
The MMA6821BKCWR2 has a total of 12 pins, including power supply, ground, communication interface, and interrupt pins. A detailed pin configuration diagram can be found in the product datasheet.
Functional Features
- Motion detection in multiple axes
- Low-power mode for battery-operated applications
- Configurable interrupt functionality
- Built-in self-test capability
Advantages
- Accurate motion sensing
- Low power consumption
- Small form factor
- Flexible configuration options
Disadvantages
- Limited sensing range compared to some other motion sensors
- Higher cost compared to basic motion detection modules
Working Principles
The MMA6821BKCWR2 operates based on the principles of capacitive micro-machined accelerometer (CMA) technology. It measures changes in capacitance due to motion and converts them into digital signals for processing.
Detailed Application Field Plans
The MMA6821BKCWR2 is suitable for various applications including: - Wearable devices - Motion-based gaming controllers - Industrial equipment monitoring - IoT devices for motion tracking
Detailed and Complete Alternative Models
Some alternative models to the MMA6821BKCWR2 include: - MMA8452Q: Similar features with extended sensing range - LIS3DH: Lower power consumption with comparable performance - ADXL345: Widely used in consumer electronics with proven reliability
In conclusion, the MMA6821BKCWR2 is a versatile motion sensor with high sensitivity and low power consumption, making it suitable for a wide range of applications. While it may have limitations in terms of sensing range and cost, its performance and flexibility make it a compelling choice for motion detection needs.
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What is the MMA6821BKCWR2?
- The MMA6821BKCWR2 is a low-power, high-precision 3-axis accelerometer designed for applications requiring orientation detection, gesture recognition, and motion tracking.
What is the operating voltage range of the MMA6821BKCWR2?
- The operating voltage range of the MMA6821BKCWR2 is 1.71V to 3.6V, making it suitable for a wide range of battery-powered and low-power applications.
What communication interfaces does the MMA6821BKCWR2 support?
- The MMA6821BKCWR2 supports both I2C and SPI communication interfaces, providing flexibility for integration into various systems.
Can the MMA6821BKCWR2 be used for tilt sensing applications?
- Yes, the MMA6821BKCWR2 can be used for tilt sensing applications due to its high precision and low noise performance.
What are the key features of the MMA6821BKCWR2?
- The key features of the MMA6821BKCWR2 include low power consumption, high accuracy, built-in self-test functionality, and configurable interrupt outputs.
Is the MMA6821BKCWR2 suitable for wearable devices?
- Yes, the low power consumption and small form factor make the MMA6821BKCWR2 well-suited for wearable devices such as fitness trackers and smartwatches.
How can the output data rate of the MMA6821BKCWR2 be configured?
- The output data rate of the MMA6821BKCWR2 can be configured through register settings, allowing for customization based on specific application requirements.
What is the temperature range in which the MMA6821BKCWR2 operates?
- The MMA6821BKCWR2 operates within a temperature range of -40°C to +85°C, enabling reliable performance in harsh environmental conditions.
Does the MMA6821BKCWR2 support freefall and motion detection?
- Yes, the MMA6821BKCWR2 supports freefall and motion detection, making it suitable for applications requiring impact and movement sensing.
Are evaluation boards or development kits available for the MMA6821BKCWR2?
- Yes, evaluation boards and development kits are available to facilitate the evaluation and integration of the MMA6821BKCWR2 into technical solutions.