LIS331AL STMicroelectronics 3-Axis Low-Power Accelerometer Chip – LGA Package

LIS331AL Overview

The LIS331AL is a high-performance three-axis accelerometer designed for precise motion detection and vibration monitoring in industrial and consumer electronics. It operates with a low voltage supply, offering a wide dynamic range of ??2g to ??8g to accommodate diverse sensing requirements. This compact MEMS sensor integrates temperature compensation and an analog output interface, enabling straightforward connectivity with microcontrollers and signal processors. Ideal for robust, low-power applications, the LIS331AL provides reliable acceleration data with minimal noise, making it suitable for systems requiring accurate inertial measurements. For more detailed information, visit IC Manufacturer.

LIS331AL Technical Specifications

LIS331AL Key Features

• Wide selectable dynamic range: Supports ??2g, ??4g, and ??8g, allowing precise acceleration measurements across various applications.
• Low power consumption: Operates at approximately 1 mA, enabling efficient use in battery-powered and portable devices.
• Integrated temperature compensation: Ensures stable and accurate readings under varying environmental conditions.
• Analog output interface: Simplifies integration with existing analog-to-digital converters and microcontrollers without complex digital protocols.
• Robust operating temperature: Functions reliably from -40 ??C to +85 ??C, suitable for industrial environments.
• Compact 16-lead LCC package: Facilitates easy PCB layout and reduces overall system size.

Typical Applications

• Industrial vibration monitoring systems requiring accurate detection of mechanical oscillations to prevent equipment failure and optimize maintenance schedules.
• Motion sensing in handheld devices and portable instrumentation where low power consumption and precise acceleration data are critical.
• Tilt and orientation detection in robotics and automation systems to enhance control and positioning accuracy.
• Automotive applications such as crash detection and dynamic stability control where reliable multi-axis acceleration measurement supports system safety.

LIS331AL Advantages vs Typical Alternatives

This accelerometer stands out for its selectable dynamic range and analog output, providing designers with flexible integration options unmatched by many digital-only sensors. Its low current consumption and temperature compensation enhance reliability and efficiency in demanding industrial environments. Compared to typical alternatives, it offers a robust operating temperature and a compact package, making it ideal for applications where precision, power efficiency, and environmental tolerance are critical.

LIS331AL Brand Info

The LIS331AL is manufactured by STMicroelectronics, a global leader in semiconductor solutions. Known for their innovation in MEMS sensors, STMicroelectronics designs this accelerometer to meet stringent industrial and consumer requirements. The product is part of ST??s extensive portfolio of inertial sensors, recognized for quality, performance, and reliability. Leveraging advanced microelectromechanical systems technology, this device supports a broad spectrum of applications, ensuring high accuracy and durability under challenging conditions.

FAQ

What is the supply voltage range for this accelerometer?

The device operates with a supply voltage ranging from 2.7 V to 3.6 V, which is compatible with standard low-voltage systems and helps reduce power consumption.

How does the selectable measurement range benefit system design?