STMicroelectronics IIS2ICLX
High-accuracy, high-resolution, low-power, 2-axis digital inclinometer with embedded machine learning core
IIS2ICLXTR is a high-accuracy (ultralow noise, high stability and repeatability) and low-power, 2 axis linear accelerometer with digital output. The IIS2ICLX has a selectable full scale of ±0.5/±1/±2/±3 g and is capable of providing the measured accelerations to the application over an I²C or SPI digital interface. Its high accuracy, stability over temperature, and repeatability make IIS2ICLX particularly suitable for inclination measurement applications (inclinometers). The sensing element is manufactured using a dedicated micromachining process developed by STMicroelectronics to produce inertial sensors and actuators on silicon wafers. The IC interface is manufactured using a CMOS process that allows a high level of integration to design a dedicated circuit, which is trimmed to better match the characteristics of the sensing element. The IIS2ICLX has an unmatched set of embedded features (programmable FSM, machine learning core, sensor hub, FIFO, event decoding, and interrupts), which are enablers for implementing smart and complex sensor nodes that deliver high accuracy and performance at very low power. The IIS2ICLX is available in a high-performance (low-stress) ceramic cavity land grid array (CCLGA) package and can operate within a temperature range of -40 °C to +105 °C.
Key features
- Ultralow noise performance: 15µg/√Hz
- Superior stability over temperature (<lt/>0.075mg/°C) and repeatability
- Embedded compensation for high stability over temperature
- I²C/SPI digital output interface and smart embedded FIFO up to 3KB
- Low power: 0.42mA with 2 axes delivering full performance
- Sensor hub feature to efficiently collect data from additional external sensors
- Programmable high-pass and low-pass digital filters
- Programmable machine learning core to integrate AI algorithms, reduce power consumption
- Programmable finite state machine to process data from accelerometer and one external sensor
- Analog supply voltage: 1.71V to 3.6V and high shock survivability
Applications
- Precision inclinometers
- Antenna pointing and platform leveling
- Structural health monitoring
- Precise leveling instruments
- Installation and monitoring of equipment
- Robotics and industrial automation
Available tools
MEMS inclinometer kit based on IIS2ICLX
The STEVAL-MKI209V1K evaluation board has an embedded IIS2ICLX inclinometer sensor, which is connected through flat cable to a simple adapter board (STEVAL-MKIGIBV2) to render it compatible with STEVAL-MKI109V3. The sensor is soldered precisely in the center of the board and double-sided adhesives are provided to allow users to conveniently mount the board on equipment destined for vibration analysis. Alternatively, you can mount the board using the holes located in each corner of the PCB.
Video
IIS2ICLX Inclinometer
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