LIS2DUXS12

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Ultralow-power 3-axis smart accelerometer with Qvar, AI, antialiasing filter, and advanced digital features

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Product overview

Description

The LIS2DUXS12 is a smart, digital, 3-axis linear accelerometer whose MEMS and ASIC have been expressly designed to combine the lowest supply current possible with features such as always-on antialiasing filtering, a finite state machine (FSM) and machine learning core (MLC) with adaptive self-configuration (ASC), and an analog hub / Qvar sensing channel.

The FSM and MLC with ASC deliver outstanding always-on, edge processing capabilities to the LIS2DUXS12, while the analog hub / Qvar sensing channel defines a new degree of system optimization. The LIS2DUXS12 MIPI I3C® slave interface and embedded 128-level FIFO buffer complete a set of features that make this accelerometer a reference in terms of system integration from a standpoint of the bill of materials, processing, or power consumption.

The LIS2DUXS12 has user-selectable full scales of ±2g/±4g/±8g/±16g and is capable of measuring accelerations with output data rates from 1.6 Hz to 800 Hz.

The device has a dedicated internal engine to process motion and acceleration detection including free-fall, wake-up, single/double/triple-tap recognition, activity/inactivity, and 6D/4D orientation.

The LIS2DUXS12 is available in a small thin plastic, land grid array package (LGA) and it is guaranteed to operate over an extended temperature range from -40°C to +85°C.

  • All features

    • Supply voltage range from 1.62 V to 3.6 V
      • Independent IO supply (1.62 V to 3.6 V) for I²C and SPI interfaces
      • Independent IO supply (extended range: 1.08 V to 3.6 V) for MIPI I3C® interface
    • Four operating power modes
    • Ultralow supply current
      • High-performance mode with antialiasing filter: 10.8 µA
      • Low-power mode with antialiasing filter: 6.2 µA
      • Ultralow-power mode: 2.7 µA
      • Power-down: 0.01 µA
    • Low noise down to 220 µg/√Hz
    • ±2g/±4g/±8g/±16g programmable full-scale
    • ODR from 1.6 Hz to 800 Hz
    • Embedded machine learning core
    • Programmable finite state machine
    • Integrated analog hub / Qvar sensing channel
    • Adaptive self-configuration (ASC) based on the sensor processing output (FSM / MLC)
    • Embedded temperature sensor
    • Embedded FIFO: up to 128 samples of accelerometer and temperature data (or analog hub / Qvar) or 256 samples of accelerometer 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: 2.0 x 2.0 x 0.74 (max) mm LGA 12-lead
    • 10000 g high shock survivability
    • ECOPACK and RoHS compliant

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STMicroelectronics - LIS2DUXS12

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Quality and Reliability

Part Number Marketing Status Package RoHS Compliance Grade Material Declaration**
LIS2DUXS12TR
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LGA 2X2X0.74MAX 12 LEADS Ecopack2

LIS2DUXS12TR

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LGA 2X2X0.74MAX 12 LEADS

Material Declaration**:

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Marketing Status

Active

Package

LGA 2X2X0.74MAX 12 LEADS

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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