Bandwidth:	400Hz
Base Part Number:	AD22280
Supplier Device Package:	8-LCC (5x5)
Package / Case:	8-CLCC
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C (TA)
Features:	--
Voltage - Supply:	4.75 V ~ 5.25 V
Output Type:	Analog Voltage
Series:	iMEMS®
Sensitivity (mV/g):	38
Sensitivity (LSB/g):	--
Acceleration Range:	±50g
Axis:	X
Type:	Analog
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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AD22280-R2 Application Field and Working Principle

Introduction

The AD22280-R2 is one of the most popular motion sensors used in a variety of applications. It is an example of an accelerometer, which is a type of motion sensor that detects changes in linear acceleration, based on the relative orientation of the sensor. It is commonly employed in the development of navigation systems, image stabilization systems, vibration and noise reduction systems, and other applications.

Description

The AD22280-R2 is a two-axis, single-output, surface-mounted accelerometer. It has a sensitive range of ±2 g, with a built-in temperature sensor and programmable interrupts. The device features integrated analog-to-digital conversion and power management capabilities, providing high accuracy readings without sacrificing power consumption. The output is provided in low-power, programmable serial bitstreams, and the accelerometer is compatible with both 2.7V to 3.6V power supplies and logic levels.

Operation

The AD22280-R2 works on the principle of capacitive sensing, based on the relative motion between its two axes, which measure vertical (Z) and lateral (X/Y) acceleration. As the sensor is moved, the electrostatic field generated between the two coatings on the piezoelectric material changes, resulting in changes in capacitance. This variation in capacitance is collected via a Wheatstone bridge circuit and is converted to an analog voltage output by the A/D converter. This output is then converted to a digital value that is provided as the device’s output.

Applications

The AD22280-R2 is widely used in applications such as gaming, robotics, unmanned aerial vehicles (UAVs), medical equipment, automotive, and wearable devices. It is used in navigation/stabilization systems, motion tracking, image stabilization, and vibration and noise reduction. It can also be used for optimization of data transmission between various components or for monitoring of difficult-to-reach parameters. It has low power consumption, making it ideal for mobile applications.

Conclusion

The AD22280-R2 is a two-axis accelerometer that is capable of providing accurate readings of linear acceleration. It is widely employed in a variety of applications, including gaming, robotics, UAVs, medical equipment, automotive, and wearables. Its low power consumption makes it an ideal choice for mobile applications. Given its functionality, accuracy, and power efficiency, the AD22280-R2 is a popular choice for accelerometers.

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