ADXL357BEZ-RL7

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Motion sensors are typically used to measure, calculate, or detect an object’s velocity and acceleration in a given set of spatial coordinates. Accelerometers are one type of motion sensor often integrated onto advanced hardware for applications such as in mobile phones, aircraft, gaming devices, and other products. The ADXL357BEZ-RL7 is a highly sophisticated MEMS (micro-electro-mechanical) accelerometer, consisting of a two-dimensional (X and Y-axis) capacitive sensing element, built on a standard die, and combined with a state-of-the-art signal conditioning and signal handling circuitry on the same surface-mount package.

The ADXL357BEZ-RL7 operates from a wide range of power supplies, from 1.8V to 3.6V, making it well-suited for a variety of applications including medical and consumer products, GPS tracking, remote sensing, and other distributed monitoring needs. The device features a very low power consumption of only 320µA, which is greatly reduced from the earlier version of the same IC. It also offers a lower operating voltage range of 1.8V to 3.6V.

The ADXL357BEZ-RL7 utilizes two large capacitive sensing elements as the sensing mechanisms for the X and Y-axis acceleration. These components, commonly referred to as “cross-axis” or “flip-chip” structures, use a 3-axis accelerometer design, which means that the actuation force can be sensed in all three directions: X, Y, and Z. The sensing element is combined with a signal conditioning path which provides offset, scale factor accuracy, and noise suppression.

The output signal of the accelerometer is a function of the input acceleration, and is proportional to the incident acceleration vector. The linear output is calibrated using two separate axes, with the output voltage providing a measure of the acceleration rate in each direction. The output can be digitized by an analog-to-digital converter (ADC), providing an electrical signal that can then be further processed by a microcontroller or other digital signal processing device. In addition, the ADXL357BEZ-RL7 features temperature stability, a self-test mode, a low-frequency output for vibration measurements, and adjustable bandwidth.

The ADXL357BEZ-RL7 is well-suited for a wide variety of applications, including portable medical equipment, automotive applications, consumer electronics, wearable applications, and industrial sensing. Its highly accurate and reliable measurement capabilities, coupled with its low power consumption, make it an ideal choice for applications where high resolution and power efficiency are critical. Its wide operating voltage range also increases its versatility, making it a great choice for a variety of systems and products.

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