STMicroelectronics LIS2DUX12 Ultra Low-Power Accelerometer

STMicroelectronics LIS2DUX12 Ultra Low-Power Accelerometer is a smart, digital, 3-axis linear accelerometer. The STMicroelectronics LIS2DUX12 MEMS and ASIC are designed to combine the lowest current consumption possible with features like always-on anti-aliasing filtering and a finite state machine (FSM). Other features include a machine learning core (MLC) with adaptive self-configuration (ASC). The FSM and MLC with ASC deliver outstanding always-on, edge processing capabilities to the LIS2DUX12.

Features

Supply voltage range from 1.62V to 3.6V
- Independent IO supply (1.62V to 3.6V) for I²C and SPI interfaces
- Independent IO supply (extended range: 1.08V to 3.6V) for MIPI I³C® interface
Four operating power modes
Ultralow power consumption
- High-performance mode with anti-aliasing filter 10.8µA
- Low-power mode with anti-aliasing filter 6.2µA
- Ultralow-power mode 2.7µA
- Power-down 0.01µA
Low noise down to 220µg/√Hz
±2g/±4g/±8g/±16g programmable full-scale
ODR from 1.6Hz to 800Hz
Embedded machine learning core
Programmable finite state machine

Adaptive self-configuration (ASC) based on the sensor processing output (FSM / MLC)
Embedded temperature sensor
Embedded FIFO up to 512 samples of accelerometer and temperature data in high resolution or up to 768 samples of acceleration data at low resolution
High-speed I²C/SPI/MIPI I³C® digital output interface
Embedded digital functions (free-fall, wake-up, single/double/triple-tap recognition, activity/inactivity, 6D/4D orientation)
Advanced pedometer, step detector, and step counter
Significant motion detection, tilt detection
Self-test
Small package of 2.0mm x 2.0mm x 0.74mm (max) LGA 12-lead
10000g high shock survivability
ECOPACK and RoHS compliant

Applications

Wearable devices (wristbands and smartwatches)
Game controllers
Hearing aids and portable healthcare devices
True wireless stereo

Wireless sensor nodes
Motion-activated user interfaces (screen rotation, tap, double tap)
Asset trackers

STMicroelectronics LIS2DUX12 Ultra Low-Power Accelerometer

Features

Applications

Block diagram

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