IIS2DULPX

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Intelligent ultralow-power accelerometer for industrial applications

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Product overview

Description

The IIS2DULPX is an intelligent, 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 IIS2DULPX, while the analog hub / Qvar sensing channel defines a new degree of system optimization. The IIS2DULPX MIPI I3C® target 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 device 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 IIS2DULPX 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 device is available in a small thin plastic, land grid array (LGA) package and it is guaranteed to operate over an extended temperature range from -40°C to +105°C.

  • All features

    • 3-axis accelerometer with digital output
    • ±2g/±4g/±8g/±16g programmable full-scale
    • Output data rate from 1.6 Hz to 800 Hz; bandwidth up to 400 Hz
    • High-speed I²C/SPI/MIPI I3C® digital output interface
    • Ultralow supply current and low noise (down to 220 μg/√Hz)
    • Four operating modes
      • High-performance (HP) mode with antialiasing filter: 9.3 μA
      • Low-power (LP) mode with antialiasing filter: 6.5 μA
      • Ultralow-power (ULP) mode: 3 μA
      • One-shot mode
    • Embedded machine learning core (MLC)
    • Programmable finite state machine (FSM)
    • Adaptive self-configuration (ASC) based on the sensor processing output (FSM / MLC)
    • 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)
    • Embedded FIFO: up to 128 samples of accelerometer and temperature data (or analog hub / Qvar) or 256 samples of accelerometer data at low resolution
    • External clock input to allow perfect synchronization with multiple sensors or with a controller
    • Integrated analog hub / Qvar sensing channel
    • Embedded temperature sensor
    • Extended operating temperature range from -40 to +105°C
    • Supply voltage range from 1.62 V to 3.6 V
    • Independent I/O supply (1.62 V to 3.6 V) for I²C and SPI interfaces
    • Independent I/O supply (extended range: 1.08 V to 3.6 V) for MIPI I3C® interface
    • 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 - IIS2DULPX

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Quality and Reliability

Part Number Marketing Status Package RoHS Compliance Grade Material Declaration**
IIS2DULPXTR
Active
LGA 12L 2.0x2.0x0.74 mm Ecopack2

IIS2DULPXTR

Package:

LGA 12L 2.0x2.0x0.74 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LGA 12L 2.0x2.0x0.74 mm

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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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors