LIS331HH STMicroelectronics High-Performance 3-Axis Accelerometer – 16-Pin LFCSP

LIS331HH Overview

The LIS331HH is a high-performance ultra-low-power three-axis digital accelerometer designed for industrial and consumer applications requiring precise motion detection. It offers a wide selectable full-scale range up to ??100g, enabling accurate measurement of high-dynamic acceleration events. This device features a digital I2C/SPI interface and a low noise density, ensuring reliable data acquisition under demanding conditions. With integrated self-test and temperature compensation, the LIS331HH delivers robust performance for vibration monitoring, shock detection, and tilt sensing. For detailed technical insights and procurement options, visit IC Manufacturer.

LIS331HH Technical Specifications

Parameter	Specification
Axes	3-axis (X, Y, Z)
Full-scale acceleration range	??100 g selectable
Output type	Digital (I2C/SPI interface)
Power supply voltage	2.2 V to 3.6 V
Current consumption	Typical 1 mA in active mode
Noise density	Minimum 150 ??g/??Hz
Output data rate (ODR)	1 Hz to 1 kHz programmable
Operating temperature range	-40 ??C to +85 ??C
Package type	16-lead LGA (4×4 mm)

LIS331HH Key Features

• Wide dynamic range up to ??100g: Enables precise detection of high-impact shocks and vibrations, crucial for industrial condition monitoring.
• Low noise performance: Ensures high resolution and accurate acceleration data even in noisy environments for reliable measurements.
• Flexible digital interface: Supports both I2C and SPI communication protocols, facilitating seamless integration into various embedded systems.
• Low power consumption: Optimized for extended battery life in portable or remote sensing applications without compromising accuracy.
• Integrated temperature compensation and self-test: Enhances measurement stability and device diagnostics for improved system reliability.

Typical Applications

• Industrial vibration monitoring: The wide dynamic range and robust output enable use in machinery health monitoring to detect faults and prevent downtime.
• Shock detection in automotive systems: Useful in crash detection and airbag deployment systems requiring fast and accurate acceleration sensing.
• Tilt and position sensing: Provides reliable orientation data in portable equipment and handheld devices for user interface control.
• Consumer electronics motion sensing: Applicable in wearable devices and gaming controllers where precise motion tracking is essential.

LIS331HH Advantages vs Typical Alternatives

This digital three-axis accelerometer stands out with its exceptionally high full-scale range of ??100g, surpassing many competitors limited to lower ranges. Its low noise density and integrated temperature compensation provide superior accuracy and stability in harsh industrial environments. The dual I2C/SPI interface enhances integration flexibility, while the low power consumption supports energy-efficient designs. These advantages make it an optimal choice for applications demanding reliable, high-precision acceleration data under extreme conditions.

LIS331HH Brand Info

The LIS331HH is part of STMicroelectronics?? portfolio of MEMS accelerometers, known for their precision and reliability in industrial and consumer applications. STMicroelectronics is a global leader in semiconductor solutions, delivering innovative sensor technologies that support advanced motion detection and control. The LIS331HH builds on ST??s expertise in MEMS design, offering robust performance with flexible integration options, making it a trusted component for engineers and system designers worldwide.

FAQ

What is the maximum acceleration range supported by this accelerometer?

The device supports a selectable full-scale range up to ??100g, allowing it to measure very high acceleration events such as shocks or impacts commonly encountered in industrial and automotive applications.

Which communication interfaces are available for data output?

This accelerometer features both I2C and SPI digital interfaces, providing versatility for integration