Overview
The LIS331DLH, also available in the LIS331HHTR package, is an ultra-low-power, high-performance three-axis linear accelerometer from STMicroelectronics. It belongs to the ‘nano’ family and features a digital I2C/SPI serial interface. This device is designed for advanced power saving and smart sleep-to-wake-up functions, making it ideal for handheld devices and other applications requiring low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.16 to 3.6 | V |
| I/O Pins Supply Voltage | 1.71 to Vdd+0.1 | V |
| Current Consumption (Normal Mode) | 250 | µA |
| Current Consumption (Low-Power Mode) | 10 | µA |
| Current Consumption (Power-Down Mode) | 1 | µA |
| Full-Scale Range | ±2g, ±4g, ±8g | g |
| Output Data Rate (Normal Mode) | 50 Hz to 1 kHz | Hz |
| Output Data Rate (Low-Power Mode) | 0.5 Hz to 10 Hz | Hz |
| System Bandwidth | ODR/2 | Hz |
| Operating Temperature Range | -40 to +85 | °C |
| Package Type | LGA 16 (3x3x1 mm) |
Key Features
- Ultra-low-power operational modes down to 10 µA in low-power mode
- Dynamically selectable full-scale ranges of ±2g, ±4g, and ±8g
- I2C/SPI digital output interface
- 16-bit data output
- 2 independent programmable interrupt generators for free-fall and motion detection
- Sleep to wake-up function
- 6D orientation detection
- Embedded self-test capability
- 10000 g high shock survivability
- ECOPACK® RoHS and ‘Green’ compliant
Applications
- Motion-activated functions
- Free-fall detection
- Intelligent power saving for handheld devices
- Pedometer
- Display orientation
- Gaming and virtual reality input devices
- Impact recognition and logging
- Vibration monitoring and compensation
Q & A
- What is the supply voltage range for the LIS331DLH?
The supply voltage range is from 2.16 V to 3.6 V.
- What are the current consumption levels in different modes?
The current consumption is 250 µA in normal mode, 10 µA in low-power mode, and 1 µA in power-down mode.
- What are the full-scale ranges available for the LIS331DLH?
The full-scale ranges are ±2g, ±4g, and ±8g.
- What is the output data rate range for the LIS331DLH?
The output data rate ranges from 0.5 Hz to 1 kHz.
- What is the operating temperature range for the LIS331DLH?
The operating temperature range is from -40 °C to +85 °C.
- What package types are available for the LIS331DLH?
The device is available in LGA 16 (3x3x1 mm) packages.
- Does the LIS331DLH support self-test?
- What is the shock survivability of the LIS331DLH?
The device can survive up to 10000 g of shock.
- Is the LIS331DLH environmentally friendly?
- What are some common applications of the LIS331DLH?
