STMicroelectronics IIS2ICLX 2-Axis Digital Inclinometer

STMicroelectronics IIS2ICLX 2-Axis Digital Inclinometer is a high-accuracy, low-power, two-axis linear accelerometer with digital output. The high accuracy, stability over temperature, and repeatability make IIS2ICLX qualified for inclination measurement applications.

The STMicroelectronics IIS2ICLX Inclinometer features a selectable full scale of ±0.5/±1/±2/±3g and is capable of implementing the measured accelerations to the application over an I²C or SPI digital interface. The sensing element is manufactured using a dedicated micromachining process. This is developed by STMicroelectronics to produce inertial sensors and actuators on silicon wafers. The IC interface is manufactured using a CMOS process, allowing a high integration level. This is to design a dedicated circuit that is trimmed to better resemble the characteristics of the sensing element.

The IIS2ICLX offers embedded features, including programmable FSM, Machine Learning Core, sensor hub, FIFO, event decoding, and interrupts. These are enablers for achieving smart and complex sensor nodes, which deliver high accuracy and performance at very low power.

The IIS2ICLX operates within a temperature range of -40°C to +105°C and is offered in a high-performance (low-stress) ceramic cavity land grid array (CC LGA) package.

Features

  • 2-axis linear accelerometer
  • ±0.5/±1/±2/±3g Selectable full scale
  • 15µg/√Hz Ultra-low noise performance
  • Superior stability over temperature (<0.075mg/°C) and repeatability
  • Embedded compensation for high stability over temperature
  • I2C/SPI digital output interface
  • 0.42mA Low power with 2 axes delivering full performance
  • Sensor hub feature to efficiently collect data from additional external sensors
  • Smart embedded FIFO up to 3kbytes
  • Programmable high-pass and low-pass digital filters
  • Programmable Machine Learning Core to integrate AI algorithms and reduce power consumption at the system level
  • Programmable Finite State Machine to process data from the accelerometer and one external sensor
  • Extended operating temperature range (-40°C to +105°C)
  • Embedded temperature sensor
  • 1.71V to 3.6V Analog supply voltage
  • High shock survivability
  • ECOPACK, RoHS, and “Green” compliant

Applications

  • Precision inclinometers
  • Antenna pointing and platform leveling
  • Structural health monitoring
  • Precise leveling instruments
  • Installation and monitoring of equipment
  • Robotics and industrial automation

Machine Learning Core

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