ADXL103CE

Bandwidth:	0.5Hz ~ 2.5kHz
Base Part Number:	ADXL103
Supplier Device Package:	8-LCC (5x5)
Package / Case:	8-CLCC
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Features:	Adjustable Bandwidth
Voltage - Supply:	3 V ~ 6 V
Output Type:	Analog Voltage
Series:	iMEMS®
Sensitivity (mV/g):	1000
Sensitivity (LSB/g):	--
Acceleration Range:	±1.7g
Axis:	X
Type:	Analog
Part Status:	Not For New Designs
Packaging:	Tube

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Introduction of ADXL103CE Accelerometer
The ADXL103CE is an extremely precise 3-axis accelerometer from Analog Devices. It is designed to provide extremely high accuracy over a wide frequency range for demanding consumer electronics applications such as gesture detection and motion detection. It has a full-scale range of ±2 g and is capable of measuring low-frequency acceleration, tilt, moderate vibration, and shock with excellent linearity, resolution, and rejection of offset errors. It is also equipped with signal conditioning to provide vibration immunity and temperature compensation for improved accuracy.

Differential Mode of Measurement
The ADXL103CE makes use of differential mode measurements, which enable it to accurately detect subtle vibrations. It performs two separate measurements on each axis - one at a reference level, and one for the acceleration. The reference level for the differential mode is determined by the device’s onboard voltage reference, which keeps the accuracy of the acceleration measurements constant. This ensures that the ADXL103CE can accurately detect accelerations regardless of environmental temperature.

Gesture Recognition and Motion Detection
The ADXL103CE combines the power of differential mode measurements with advanced motion algorithms to provide gesture and tap recognition capabilities, enabling it to sense a variety of motions from user inputs. It can detect and differentiate left and right shakes, up and down swings, and forward and backward tilts. It is also used in motion detection applications, allowing it to accurately detect the presence and magnitude of motion. This makes it ideal for a wide range of applications such as user input recognition, user interface solutions, and activity tracking.

Built-in Low-Noise Analog Front End
The ADXL103CE features a built-in low-noise analog front end that allows it to measure acceleration with low power consumption while maintaining highly accurate readings. The integrated amplifier allows it to measure acceleration from small changes in capacitance, and the sensor’s internal self- test feature helps to increase the robustness of the device. Additionally, the integrated voltage reference reduces the need for external components, keeping overall system size and cost low.

Summary
The ADXL103CE is a highly precise 3-axis accelerometer from Analog Devices. It can measure low-frequency acceleration, tilt, moderate vibration, and shock with excellent resolution and offset rejection. The differential mode measurements and advanced motion algorithms enable it to provide gesture and tap recognition capabilities, making it ideal for user interface solutions, user input recognition, and activity tracking. The device is also equipped with a built-in low-noise analog front end for increased accuracy and low-power consumption.

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