MMA6813KCWR2 Overview
The MMA6813KCWR2 is a high-performance capacitive MEMS accelerometer designed for precise motion sensing and vibration detection. This device offers a full-scale range of ??6g and features an analog output voltage proportional to acceleration, making it ideal for embedded systems requiring accurate tilt, shock, and vibration measurements. With a small 8-pin LCC package, it integrates easily into space-constrained industrial and consumer electronics applications. The sensor operates efficiently over a wide temperature range and supports reliable performance in harsh environments. For detailed technical support and sourcing, visit IC Manufacturer.
MMA6813KCWR2 Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Range | ??6g (gravity units) |
| Output Type | Analog voltage output |
| Supply Voltage (VDD) | 2.2 V to 3.6 V |
| Supply Current | Typical 0.5 mA |
| Bandwidth | DC to 100 Hz |
| Operating Temperature Range | -40??C to +85??C |
| Package Type | 8-pin LCC (Leadless Chip Carrier) |
| Zero-g Bias Voltage | Approximately VDD / 2 |
| Sensitivity | Approximately 330 mV/g |
MMA6813KCWR2 Key Features
- High sensitivity analog output: Provides precise acceleration measurement critical for accurate motion detection in industrial controls and consumer devices.
- Wide supply voltage range (2.2 V to 3.6 V): Enables compatibility with various low-power systems and supports flexible power management.
- Compact 8-pin LCC package: Facilitates easy integration into space-constrained applications while ensuring mechanical robustness and low parasitic capacitance.
- Low supply current: Consumes approximately 0.5 mA, enhancing overall system power efficiency and extending battery life in portable designs.
- Stable performance across temperature extremes: Operates reliably from -40??C to +85??C, suitable for harsh industrial and automotive environments.
- Linear output voltage proportional to acceleration: Simplifies signal processing without the need for complex digital conversion circuits.
- Robust MEMS capacitive sensing technology: Delivers high durability and long-term reliability under mechanical stress and vibration.
MMA6813KCWR2 Advantages vs Typical Alternatives
This sensor offers superior sensitivity and stable analog output compared to many digital accelerometers, simplifying analog signal processing in embedded systems. Its low supply current and wide voltage range make it highly efficient for battery-powered devices. The compact LCC package ensures easier PCB layout and mechanical integration. Additionally, the broad operating temperature range and MEMS-based design enhance reliability in demanding industrial and automotive applications where other accelerometers may underperform.
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Typical Applications
- Industrial machinery vibration monitoring: Provides accurate real-time acceleration data to detect abnormal machine behavior and enable predictive maintenance, reducing downtime and improving operational efficiency.
- Consumer electronics motion sensing: Used in devices such as gaming controllers and fitness trackers to detect user movements with precise analog feedback.
- Automotive tilt and shock sensing: Assists in vehicle safety systems by monitoring tilt angles and sudden impacts to trigger alerts or control functions.
- Portable instrumentation: Supports handheld measurement tools requiring compact, low-power accelerometers for tilt and motion detection.
MMA6813KCWR2 Brand Info
The MMA6813KCWR2 is manufactured by a leading semiconductor company specializing in MEMS sensors and analog devices. Known for their innovation in capacitive accelerometer technology, the brand ensures high-quality, reliable components designed to meet rigorous industrial and automotive standards. This product reflects the company’s commitment to delivering accurate motion sensing solutions that enable smarter, more efficient systems across a wide range of applications.
FAQ
What is the output signal type of this accelerometer?
The device outputs an analog voltage signal proportional to the measured acceleration. This linear analog output simplifies integration with analog-to-digital converters (ADCs) or analog signal processing units, enabling straightforward motion detection and analysis.
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What supply voltage range does the MMA6813KCWR2 support?
This accelerometer operates within a supply voltage range from 2.2 V to 3.6 V. This flexibility allows it to function in various low-voltage systems, making it suitable for battery-powered and embedded industrial applications.
How does the sensor perform across temperature variations?
The sensor is designed to maintain stable and accurate acceleration measurements over a broad temperature range from -40??C to +85??C. This ensures reliable operation in environments with extreme temperatures, such as automotive and industrial settings.
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What are the physical dimensions and packaging details?
The MMA6813KCWR2 is housed in a compact 8-pin Leadless Chip Carrier (LCC) package. This small form factor aids in reducing PCB space requirements and offers mechanical robustness for applications subject to vibration and shock.
What is the typical current consumption during operation?
The device typically consumes about 0.5 mA of current during operation. This low power consumption supports efficient energy use, making it ideal for portable and battery-operated devices that require continuous motion sensing.
