MXR7900CF

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Motion Sensors - Accelerometers are an important component of any system that requires the measurement of acceleration or motion. They convert motion or physical forces into electrical signals, enabling accurate analysis of changes in physical position or speed of a body. The MXR7900CF series of accelerometers are available from Murata Electronics and have a wide variety of applications in industries ranging from automotive to medical.

The MXR7900CF is a two-axis quartz MEMS accelerometer that is robust and highly reliable. It is designed to give accurate measurements of acceleration in two perpendicular planes and is suitable for high-volume, cost sensitive applications. This makes it ideal for use in automotive applications, where reliable, robust measurement is critical. It is also suitable for use in industrial and medical applications where accurate measurement of dynamic acceleration events is required.

The MXR7900CF has been carefully designed to ensure that the rate of acceleration is reliably monitored. It uses a MEMS quartz crystal that oscillates at a determined frequency and is sensitive enough to detect even small changes in acceleration. This quartz crystal is coupled with a dedicated ASIC in order to measure the rate of acceleration in two perpendicular planes. The ASIC also provides the interface for signal conditioning, allowing the output signal to be adjusted to suit the specific application.

The output signal can be either analog or digital, depending on the application requirements. The analog signal can be conditioned to have a variable gain and any desired frequency response, allowing for accurate sensing of different acceleration patterns. The digital signal conversion can be two-wire I2C-compatible, allowing the system to be easily interfaced over a serial bus connection.

The MXR7900CF is suitable for a wide range of automotive, industrial and medical applications. In automotive applications, it can be used to monitor the wheel speed of vehicles, enabling accurate measurement of acceleration during different driving scenarios. It can also be used in airbag systems to accurately detect acceleration levels in the event of a crash, triggering the airbag deployment. In industrial applications, it can be used to monitor the force of machinery, enabling engineers to precisely measure how the machine is performing and make the necessary adjustments.

In medical applications, the MXR7900CF can be used to accurately measure the heart rate of a patient. The accelerometer picks up small changes in the patient’s acceleration as their heart beats, providing a reliable and accurate measure of their heart rate. It can also be used in gyroscope applications, allowing for precise monitoring of body movements and providing vital feedback for fitness tracking.

In summary, the Murata MXR7900CF is a reliable two-axis quartz MEMS accelerometer that is suitable for a wide variety of applications. Its carefully designed MEMS quartz crystal and dedicated ASIC enables reliable and accurate measurement of acceleration in two perpendicular planes, with output that can be either analog or two-wire digital. This versatility and reliability makes it an ideal choice for automotive, industrial and medical applications where accurate and robust measurement of acceleration is required.

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