Overview
The LIS331DLH (also referred to as LIS331DLFTR) is an ultra-low-power, high-performance three-axis linear accelerometer produced by STMicroelectronics. It belongs to the 'nano' family and features a digital I2C/SPI serial interface. This accelerometer is designed for advanced power saving and includes smart sleep to wake-up functions, making it suitable for a wide range of applications where power efficiency is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Full Scale Range | ±2g, ±4g, ±8g |
| Output Data Rates | 0.5 Hz to 1 kHz |
| Supply Voltage | 2.16 V to 3.6 V |
| Interface Type | I2C, SPI |
| Package Type | LGA 16L 3.0x3.0x1 mm |
| Operating Temperature | -40 °C to +85 °C |
| Power Consumption (Ultra Low-Power Mode) | Down to 10 μA |
| Resolution | 16 bit |
| Sensitivity | 18 mg/digit, 72 mg/digit |
| RoHS Compliance | Ecopack2 |
Key Features
- Embedded self-test capability
- 6D orientation detection
- ECOPACK® RoHS and 'Green' compliant
- 10000 g high shock survivability
- 2 independent programmable interrupt generators for free-fall and motion detection
- 16 bit data output
- Wide supply voltage range (2.16 V to 3.6 V)
- Ultra low-power mode consumption down to 10 μA
- Low voltage compatible IOs (1.8 V)
- Sleep to wake-up function
- I2C/SPI digital output interface
Applications
The LIS331DLH is versatile and can be used in various applications, including but not limited to:
- Consumer electronics (smartphones, tablets, gaming consoles)
- Industrial automation and control systems
- Health and fitness devices (wearables, fitness trackers)
- Automotive systems (airbag deployment, anti-theft systems)
- Navigation and orientation systems
Q & A
- What is the full scale range of the LIS331DLH accelerometer?
The full scale range of the LIS331DLH is ±2g, ±4g, and ±8g, which can be dynamically selected by the user. - What are the supported interface types for the LIS331DLH?
The LIS331DLH supports both I2C and SPI digital output interfaces. - What is the operating temperature range of the LIS331DLH?
The operating temperature range is from -40 °C to +85 °C. - How low can the power consumption of the LIS331DLH go in ultra-low power mode?
The power consumption can go down to 10 μA in ultra-low power mode. - Does the LIS331DLH have any self-test capabilities?
Yes, the LIS331DLH has an embedded self-test capability to check the functioning of the sensor in the final application. - What is the resolution of the data output from the LIS331DLH?
The resolution of the data output is 16 bits. - Is the LIS331DLH RoHS compliant?
Yes, the LIS331DLH is ECOPACK® RoHS and 'Green' compliant. - What are the dimensions of the LGA package for the LIS331DLH?
The LGA package dimensions are 3.0x3.0x1 mm. - Can the LIS331DLH detect 6D orientation?
Yes, the LIS331DLH supports 6D orientation detection. - How many independent programmable interrupt generators does the LIS331DLH have?
The LIS331DLH has 2 independent programmable interrupt generators for free-fall and motion detection.
