MMA6827KCWR2

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Motion sensors such as accelerometers detect changes in kinetic energy, or motion, and measure the magnitude of an object\'s physical acceleration. The MMA6827KCWR2 is a dual-axis sensing accelerometer optimized for motion sensing applications such as electronic navigation systems, personal digital assistant (PDA), smart phones, and digital cameras. It features tight manufacturing level calibration ensuring the highest accuracy across corresponding temperature ranges. This allows customers to capture accurate data from a single unit.

MMA6827KCWR2 Application Field

The MMA6827KCWR2 accelerometer enables users to create miniature, accurate, and low-power measurement and vibration sensing solutions. It is a small form factor, dual-axis sensing device ideal for a variety of embedded applications such as electronic navigation systems, personal digital assistant (PDA), smart phones, and digital cameras. The accelerometer is designed for high performance in motion sensing applications which require extreme accuracy, low noise, low power consumption, and high temperature environment.

The MMA6827KCWR2 also offers an integrated voltage regulator that allows it to operate at voltages down to 2.2 V. Furthermore, the device is enclosed in a 14-lead SOP-14C package to ensure a simple and compact form factor. It is also capable of operating at temperatures from -40 °C to +85°C, allowing it to be used in a variety of industrial environments.

MMA6827KCWR2 Working Principle

The MMA6827KCWR2 motion sensing accelerometer operates by detecting changes in electromagnetic fields. It uses two sensing elements, both connected to corresponding X and Y axes of the accelerometer. Each sensing element produces a small disturbance in the magnetic field. This disturbance is first collected by the sensing elements and then amplified and filtered by an OpAmp. The amplified signal is then converted to a digital form by an Analog-to-Digital converter where it can be used in applications.

The accelerometer utilizes both Low-Pass and High-Pass filters to reduce noise. The High-Pass filter eliminates any undesired DC offsets in the signal, whereas the Low-Pass filter is used to smooth out low frequency noise. Moreover, the accelerometer also utilizes a temperature compensation circuit which helps to ensure accuracy of the acceleration signal over a wide range of temperatures.

In addition, the accelerometer also features an integrated self-test feature that allows the user to check the functionality of the sensor. It also features a sleep mode that reduces power consumption when the device is not in use. The accelerometer is calibrated at the manufacturing level to guarantee stability and accuracy throughout a wide range of temperature conditions.

Conclusion

In conclusion, the MMA6827KCWR2 accelerometer is an ideal choice for a wide range of motion sensing applications. It has a small form factor, low-power consumption, and features a high temperature environment range. Moreover, it is highly accurate and equipped with filtering and temperature compensation features. The integrated self-test and sleep modes make the device more reliable and efficient in a diverse range of applications.

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