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IIS3DWBTR

IIS3DWBTR

STMicroelectronics
Vibration, Acceleration Sensor I2C, SPI Surface Mount Solder Pads
Active4,618 in stock
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Overview

The IIS3DWBTR is a high-bandwidth 3-axis digital vibration sensor designed for industrial condition monitoring. It features a wide frequency response from 0Hz to 6kHz and a low noise density of 75 ug/sqrt(Hz) to detect early signs of mechanical failure in rotating machinery.

Why Choose This Part

This sensor offers a flat frequency response up to 6kHz, making it superior to standard consumer accelerometers for vibration analysis. It integrates advanced DSP functions and a 3KB FIFO buffer to reduce host processor overhead while maintaining high data rates.

Applications

Predictive Maintenance
Monitoring industrial motors, pumps, and fans to detect bearing wear or misalignment before failure occurs.
Condition Monitoring
Continuous health assessment of factory automation equipment using vibration signature analysis.
Test and Measurement
High-precision vibration logging in industrial environments where high frequency response is required.
Robotics
Detecting mechanical resonance and monitoring joint health in high-speed robotic arms.

Key Specifications

Output Type I2C, SPI
Sensitivity 0.488mg/LSB
Sensor Type Vibration, Acceleration
Termination Solder Pads
Mounting Type Surface Mount
Power - Rated 2.1V ~ 3.6V
Sensing Range 0Hz ~ 6kHz
Package / Case 14-VFLGA Module
Operating Temperature -40degC ~ 105degC

Getting Started

Engineers can evaluate this sensor using the STEVAL-STWINKT1B development kit, which is optimized for industrial IoT applications. The sensor is interfaced via SPI and supports STMicroelectronics' MEMS software libraries for fast integration into STM32-based firmware.

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