MMA6856LKCWR2 Overview
The MMA6856LKCWR2 is a high-performance three-axis accelerometer designed for precision motion sensing in industrial and consumer electronics. Offering a low power consumption profile with high sensitivity and stable output, this device serves critical roles in vibration monitoring, orientation detection, and motion-based controls. Its compact package and integrated signal processing facilitate easier system integration, making it a reliable component for engineers focusing on advanced motion detection solutions. For sourcing specialists and design engineers, this accelerometer balances cost-efficiency with robust performance, meeting demanding application requirements. More details can be found at IC Manufacturer.
MMA6856LKCWR2 Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Range | ??2 g / ??6 g selectable |
| Output Type | Digital (I2C/SPI compatible) |
| Sensitivity | 800 mV/g (typical) |
| Operating Voltage | 2.2 V to 3.6 V |
| Power Consumption | 350 ??A (typical) |
| Bandwidth | DC to 50 Hz (selectable) |
| Package Type | 8-lead LGA (3 x 3 x 0.9 mm) |
| Temperature Range | -40 ??C to +85 ??C |
| Zero-g Output Voltage | 1.5 V (typical) |
MMA6856LKCWR2 Key Features
- Selectable Dynamic Range: Offers ??2 g and ??6 g ranges, enabling precise adaptation to varied motion detection needs, improving application versatility.
- Low Power Consumption: Operating at approximately 350 ??A, it supports battery-powered designs by extending device runtime without compromising accuracy.
- Digital Output Interface: Compatible with I2C and SPI communication protocols, simplifying integration with microcontrollers and system-on-chip platforms.
- Compact LGA Package: The small footprint of 3 x 3 x 0.9 mm facilitates space-constrained designs while maintaining mechanical robustness.
- Wide Operating Temperature: Supports industrial temperature ranges from -40 ??C to +85 ??C, ensuring reliable performance in harsh environments.
- High Sensitivity and Stability: Provides consistent output with a typical 800 mV/g sensitivity, enabling accurate motion capture and analysis.
MMA6856LKCWR2 Advantages vs Typical Alternatives
This accelerometer stands out with its combination of low power consumption and selectable measurement range, offering better energy efficiency and adaptability than many fixed-range alternatives. Its digital output simplifies system designs by eliminating the need for analog-to-digital conversion, reducing noise and improving signal integrity. The robust LGA package and industrial temperature rating increase reliability in demanding environments, making it a superior choice for precision motion sensing applications.
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Typical Applications
- Industrial Vibration Monitoring: Detects subtle shifts and vibrations in machinery to enable predictive maintenance and reduce downtime through accurate motion analysis.
- Consumer Electronics Orientation Detection: Facilitates screen rotation and user interface responsiveness in smartphones, tablets, and wearables by sensing device position.
- Motion-Based Gaming Controllers: Enables enhanced user interaction by accurately tracking device movement and gestures.
- Portable Medical Devices: Supports patient monitoring systems that require reliable motion sensing in compact and low-power form factors.
MMA6856LKCWR2 Brand Info
The MMA6856LKCWR2 is part of a line of precision MEMS accelerometers engineered by a leading manufacturer specializing in sensor technology for industrial and consumer applications. This product reflects the brand??s commitment to delivering highly integrated, accurate, and power-efficient sensing solutions. Designed with a focus on ease of integration and robust performance, it exemplifies the company??s expertise in combining MEMS technology with advanced signal processing to meet modern engineering challenges.
FAQ
What is the voltage range suitable for operating the MMA6856LKCWR2?
The device operates reliably within a supply voltage range of 2.2 V to 3.6 V, making it compatible with a wide variety of low-voltage systems and battery-powered designs.
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Can the measurement range be adjusted during operation?
Yes, the accelerometer supports selectable measurement ranges of ??2 g and ??6 g, allowing users to switch ranges to suit specific application requirements for sensitivity or dynamic range.
Which communication protocols does this accelerometer support?
It provides digital output compatible with both I2C and SPI interfaces, offering flexible communication options for integration with microcontrollers and embedded systems.
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How does the device perform in extreme temperatures?
The accelerometer is specified for operation over a temperature range from -40 ??C to +85 ??C, ensuring reliable performance in harsh industrial and outdoor environments.
What are the benefits of the LGA package used for this device?
The 8-lead LGA package is compact and low profile (3 x 3 x 0.9 mm), which aids in saving PCB space. It also offers good mechanical stability and thermal dissipation, facilitating robust design integration.




