MMA5248LW

Series:	Automotive, AEC-Q100, MMA
Packaging:	Tray
Part Status:	Active
Type:	Digital
Axis:	X
Acceleration Range:	±480g
Sensitivity (LSB/g):	1
Sensitivity (mV/g):	--
Bandwidth:	--
Output Type:	PCM, SPI
Voltage - Supply:	4.2 V ~ 17 V
Features:	Selectable Low Pass Filter
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-VFLGA
Supplier Device Package:	16-LGA (3x3)

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MMA5248LW Application Field and Working Principle

Motion sensors are amongst the most prevalent type of sensors that are available and utilized in many different fields. The motion sensors can be broadly classified as accelerometers, gyroscopes, inclinometers, etc. The MMA5248LW is one example of an accelerometer which is commonly used in many applications. In this article, we will discuss the application fields and the working principle of the MMA5248LW.

Application Fields

The MMA5248LW is a widely used accelerometer for a wide range of applications. The device is primarily used for motion sensing and object detection. It is especially suitable for applications that require high precision and accuracy. Some of the common applications where the MMA5248LW is utilized include automotive crash detection, antennae tilt compensation, industrial machine monitoring, security systems, automotive navigation systems, vibration monitoring, and gaming systems. Furthermore, due to its high performance and low-power consumption, it is also becoming increasingly popular in many consumer electronics.

Working Principle

The MMA5248LW is a three-axis accelerometer which utilizes a micromachined capacitive sensing element to detect motion. This accelerometer is equipped with a built-in low-noise amplifier for additional signal conditioning, allowing for better sensitivity and accuracy. The device utilizes a two-stage integration process for the sensing element, thus providing higher linearity and improved resolution. The MMA5248LW is powered by a 3.3V supply voltage and it has an operating current of 250μA when under normal operation. Additionally, the device has a temperature range of -40°C to 85°C, allowing for extended operational life in extreme temperatures. It is also capable of detecting accelerations up to ±2g. Furthermore, the device is equipped with many built-in features, such as power protection, shock resistance, and thermal compensation. These features make the device much more reliable and less susceptible to external influences, thus allowing for improved performance and accuracy.

Conclusion

The MMA5248LW is a high-performance accelerometer with a wide range of applications. It is equipped with advanced features including low-noise signal conditioning, power protection, shock resistance, and thermal compensation. These features make the device highly reliable and suitable for many applications, including automotive crash detection, antennae tilt compensation, industrial machine monitoring, security systems, automotive navigation systems, vibration monitoring, and gaming systems.

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