LIS331DLHTR Sensors, Transducers

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Digital
Axis:	X, Y, Z
Acceleration Range:	±2g, 4g, 8g
Sensitivity (LSB/g):	1000 (±2g) ~ 256 (±8g)
Sensitivity (mV/g):	--
Bandwidth:	25Hz ~ 500Hz
Output Type:	I²C, SPI
Voltage - Supply:	2.16 V ~ 3.6 V
Features:	Adjustable Bandwidth, Selectable Scale, Sleep Mode
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-VFLGA
Supplier Device Package:	16-LGA (3x3)

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Introduction

Motion sensors are important in different applications, such as automotive, industrial, and consumer electronic applications. Accelerometers play an important role in these fields, measuring three-dimensional linear acceleration, rotational motion, and tilt angles. Accelerometers have many different types and sizes, from miniature to full sizes. The LIS331DLHTR is a three-dimensional accelerometer that measures acceleration in three perpendicular axes. It is a very small accelerometer, similar in size to a USB flash drive, making it suitable for miniaturization in portable consumer products such as smartphones and digital cameras.

Application Field

The LIS331DLHTR is a versatile device and can be used in a wide range of applications. It can be used in consumer electronics products, such as smartphones, gaming consoles, digital cameras, and laptop computers. In these devices, the accelerometer can be used to detect movements and tilt angles, such as shaking the device to perform an action, or rotating the device to control the display.The accelerometer can also be used in automotive applications. It can be used to detect sudden changes in acceleration and deceleration, as well as cornering force, to control airbags and other safety systems. It can also be used in anti-lock braking systems (ABS) to measure the difference between the wheel and the overall vehicle acceleration.The device can also be used in industrial applications, such as vibration measurement and analysis. It can measure both linear and rotational accelerations and is ideal for testing and analyzing vibrations in rotating machinery.

Working Principle

The working principle of the LIS331DLHTR is based on the piezoelectric effect. This phenomenon is based on the fact that when a pressure, or mechanical force, is applied to certain materials it produces a voltage. This voltage is proportional to the force applied, and can be measured as an output voltage.In the case of the LIS331DLHTR, the pressure is produced by acceleration in one of the three perpendicular axes of the accelerometer. This pressure is applied to a quartz crystal, and the resulting voltage is used to measure the acceleration in the corresponding direction.The accelerometer is capable of measuring acceleration up to a maximum of +-2g, which corresponds to a voltage output. The output voltage can be used to measure acceleration and to control electronic devices.

Conclusion

The LIS331DLHTR is a versatile three-dimensional accelerometer device that can be used in a wide range of applications. It is small and lightweight, making it perfect for miniaturization in consumer electronics products. The device is based on the piezoelectric effect, and is capable of measuring acceleration up to +-2g. It can be used to measure and analyze vibrations in rotating machinery, control airbags and ABS systems in cars, and to detect movements and tilt angles in consumer electronics products.

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