Product Overview
The LIS2DUXS12 is a smart, digital, 3-axis linear accelerometer designed for ultralow power consumption. It features an always-on anti-aliasing filter, a finite state machine (FSM), a machine learning core (MLC) with adaptive self-configuration (ASC), and an analog hub/Qvar sensing channel. This accelerometer offers advanced edge processing capabilities, system optimization through its analog hub, and efficient system integration with its MIPI I3C interface and embedded FIFO buffer. It supports user-selectable full scales of 2g/4g/8g/16g and a wide range of output data rates from 1.6 Hz to 800 Hz. The device includes embedded digital functions for motion and acceleration detection, such as free-fall, wake-up, tap recognition, activity/inactivity, and orientation detection. It is available in a small LGA package and operates over an extended temperature range.
Product Attributes
- Brand: STMicroelectronics
- Product Status Link: LIS2DUXS12
- Certifications: ECOPACK and RoHS compliant
Technical Specifications
| Parameter | Value | Unit | Notes |
| Supply Voltage (Vdd) | 1.62 - 3.6 | V | Independent IO supply for IC and SPI: 1.62 V to 3.6 V; Independent IO supply for MIPI I3C: 1.08 V to 3.6 V |
| Operating Power Modes | Four | ||
| Current Consumption (High-Performance Mode) | 10.8 | A | With anti-aliasing filter, Temp/AH/Qvar sensor off |
| Current Consumption (Low-Power Mode) | 6.2 | A | With anti-aliasing filter, Temp/AH/Qvar sensor off |
| Current Consumption (Ultralow-Power Mode) | 2.7 | A | Temp/AH/Qvar sensor off |
| Current Consumption (Power-Down) | 0.01 | A | |
| Low Noise Density | 220 | g/Hz | High-performance mode, FS=8g, ODR=800 Hz |
| Programmable Full-Scale Range | 2g, 4g, 8g, 16g | ||
| Output Data Rate (ODR) | 1.6 - 800 | Hz | |
| Embedded Features | Machine Learning Core, Finite State Machine, Analog Hub/Qvar Sensing Channel, Temperature Sensor, FIFO Buffer (up to 512/768 samples) | Adaptive Self-Configuration (ASC) | |
| Digital Output Interface | High-speed IC/SPI/MIPI I3C | ||
| Embedded Digital Functions | Free-fall, wake-up, single/double/triple-tap, activity/inactivity, 6D/4D orientation, step detector/counter, significant motion, tilt detection | ||
| Self-Test | Supported | ||
| Package | LGA (2.0 x 2.0 x 0.74 mm max) | mm | 12-lead |
| Shock Survivability | 10000 | g | High shock |
| Temperature Range | -40 to +85 | C | |
| SPI Clock Frequency | 10 | MHz | Max |
2504101957_ST-LIS2DUXS12TR_C17316049.pdf
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