MMA1220D
Product Overview
Category
The MMA1220D belongs to the category of accelerometers.
Use
It is used for measuring acceleration and tilt in various applications.
Characteristics
- Small form factor
- High sensitivity
- Low power consumption
Package
The MMA1220D comes in a surface-mount package.
Essence
The essence of the MMA1220D lies in its precise measurement of acceleration and tilt.
Packaging/Quantity
The MMA1220D is typically packaged in reels and is available in varying quantities.
Specifications
- Measurement Range: ±2g
- Sensitivity: 800 mV/g
- Operating Voltage: 2.2V - 3.6V
- Operating Temperature Range: -40°C to +85°C
- Output Type: Analog
Detailed Pin Configuration
The MMA1220D has a total of 8 pins: 1. VDD (Power supply) 2. GND (Ground) 3. XOUT (Analog output for X-axis) 4. YOUT (Analog output for Y-axis) 5. NC (No connection) 6. NC (No connection) 7. SELF_TEST (Self-test input) 8. SLEEP (Sleep mode control)
Functional Features
- High accuracy in measuring acceleration
- Self-test capability
- Low power consumption in sleep mode
Advantages
- Precise measurement of low-level accelerations
- Small form factor for easy integration
- Wide operating temperature range
Disadvantages
- Limited measurement range compared to some other models
- Analog output requires external ADC for digital processing
Working Principles
The MMA1220D operates based on the principle of capacitive sensing, where changes in capacitance due to acceleration are converted into analog voltage outputs.
Detailed Application Field Plans
The MMA1220D finds applications in: - Motion detection in consumer electronics - Tilt sensing in industrial equipment - Vibration monitoring in automotive systems
Detailed and Complete Alternative Models
Some alternative models to the MMA1220D include: - MMA8452Q: Offers higher measurement range and digital output - ADXL335: Provides similar sensitivity with integrated signal conditioning
In conclusion, the MMA1220D accelerometer offers precise measurement capabilities in a compact form factor, making it suitable for various applications requiring accurate acceleration and tilt sensing.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MMA1220D i tekniska lösningar
What is MMA1220D?
- MMA1220D is a high-precision, low-power, three-axis digital accelerometer designed for use in applications such as industrial equipment, medical devices, and consumer electronics.
What is the operating voltage range of MMA1220D?
- The operating voltage range of MMA1220D is typically between 2.4V and 3.6V.
What is the measurement range of MMA1220D?
- MMA1220D has a user-selectable measurement range of ±2g, ±4g, or ±8g.
What communication interface does MMA1220D support?
- MMA1220D supports an I2C digital interface for communication with microcontrollers and other devices.
Can MMA1220D be used for tilt sensing applications?
- Yes, MMA1220D can be used for tilt sensing applications due to its high precision and low noise characteristics.
What are the typical power consumption levels of MMA1220D?
- The typical power consumption of MMA1220D is very low, making it suitable for battery-powered applications. It consumes around 400µA in active mode and 0.1µA in standby mode.
Is MMA1220D suitable for harsh environments?
- Yes, MMA1220D is designed to withstand harsh environments and has a robust construction that makes it suitable for industrial and automotive applications.
Does MMA1220D provide motion detection features?
- Yes, MMA1220D includes motion detection capabilities, allowing it to detect changes in acceleration and trigger events based on predefined thresholds.
What are the key advantages of using MMA1220D in technical solutions?
- The key advantages of using MMA1220D include its high accuracy, low power consumption, small form factor, and versatile integration options.
Are there any application notes or reference designs available for integrating MMA1220D into technical solutions?
- Yes, application notes and reference designs are available from the manufacturer to assist with the integration of MMA1220D into various technical solutions.