LIS331ALTR Overview
The LIS331ALTR is a high-performance, low-power three-axis accelerometer designed for precise motion detection and tilt sensing in industrial and consumer applications. Featuring a compact form factor and a user-selectable full-scale range, this device excels in providing accurate acceleration data with fast response times. Its integrated temperature sensor and low noise level enhance measurement reliability, making it ideal for vibration monitoring, motion-based user interfaces, and portable electronics. Engineers and sourcing specialists will appreciate the sensor??s robust digital interface and minimal power consumption. For detailed technical information and sourcing, visit IC Manufacturer.
LIS331ALTR Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement axes | 3-axis (X, Y, Z) |
| Full-scale acceleration range | ??2 g / ??4 g / ??8 g (selectable) |
| Output data rate | 50 Hz to 1 kHz |
| Supply voltage | 2.16 V to 3.6 V |
| Power consumption | 0.8 mA (typical at 100 Hz) |
| Interface type | SPI and I2C compatible |
| Noise density | 125 ??g/??Hz (at 100 Hz) |
| Operating temperature range | -40 ??C to +85 ??C |
| Package type | 16-lead LGA (4 x 4 x 1 mm) |
| Output format | 12-bit digital output |
LIS331ALTR Key Features
- Selectable full-scale range allows users to optimize sensitivity and dynamic range for diverse application needs, enhancing measurement accuracy.
- Low power operation with a typical current consumption of 0.8 mA at 100 Hz extends battery life in portable and wearable devices.
- Wide output data rate range from 50 Hz to 1 kHz enables fast and responsive motion detection for real-time system feedback.
- Robust digital interface supports both SPI and I2C communication protocols, facilitating seamless integration into existing system architectures.
Typical Applications
- Industrial vibration monitoring systems that require reliable three-axis acceleration data to detect mechanical faults and ensure equipment longevity.
- Motion-based user interface devices such as gaming controllers and remote controls where accurate tilt and motion sensing improve user experience.
- Wearable fitness trackers and health monitoring devices that leverage low power consumption for extended battery life and precise movement tracking.
- Portable electronics including smartphones and tablets where compact size and low noise acceleration sensing enable enhanced device functionality.
LIS331ALTR Advantages vs Typical Alternatives
This accelerometer offers superior sensitivity and flexibility compared to typical alternatives, thanks to its selectable ??2/4/8 g measurement range and low noise performance. Its low power consumption and compact LGA package improve integration into space-constrained designs. Additionally, the dual SPI/I2C interface options provide adaptability across various system architectures, ensuring reliable and efficient operation in demanding industrial and consumer applications.
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LIS331ALTR Brand Info
The LIS331ALTR is manufactured by STMicroelectronics, a global leader in semiconductor technology and MEMS sensors. As part of ST??s established LIS3 series of three-axis accelerometers, this device benefits from proven design and manufacturing expertise. STMicroelectronics is well-known for producing high-quality, reliable sensors that serve a broad range of markets including industrial automation, consumer electronics, and automotive. The LIS331ALTR reflects ST??s commitment to innovation, energy efficiency, and performance in motion sensing solutions.
FAQ
What is the typical power consumption of this accelerometer during operation?
The device typically consumes around 0.8 mA at a 100 Hz output data rate, making it suitable for battery-powered and portable applications where power efficiency is critical.
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Which communication interfaces are supported for integration?
The sensor supports both SPI and I2C communication protocols, allowing flexible connectivity with most microcontrollers and processors commonly used in industrial and consumer electronics.
How does the selectable full-scale range benefit application design?
Selectable ??2 g, ??4 g, and ??8 g ranges enable designers to balance between