Overview
The LIS2DW12TR is an ultra-low-power, high-performance three-axis linear accelerometer produced by STMicroelectronics. It belongs to the 'femto' family, leveraging robust and mature manufacturing processes for micromachined accelerometers. This device is designed for a wide range of motion detection applications, offering user-selectable full scales of ±2g, ±4g, ±8g, and ±16g, and output data rates from 1.6 Hz to 1600 Hz.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Full Scale Range | ±2g, ±4g, ±8g, ±16g | - |
| Output Data Rate | 1.6 Hz to 1600 Hz | Hz |
| Power Consumption | 50 nA (power-down), below 1 µA (active low-power) | nA/µA |
| Noise Level | Down to 1.3 mg RMS in low-power mode | mg RMS |
| Supply Voltage | 1.62 V to 3.6 V | V |
| Interface | I²C/SPI | - |
| Data Output | 16-bit | - |
| FIFO Buffer | 32-level | - |
| Temperature Range | -40°C to +85°C | °C |
| Package | 3x3x0.9mm LGA-12 | - |
| Shock Survivability | Up to 10,000 g | g |
Key Features
- Ultra-low power consumption: 50 nA in power-down mode, below 1 µA in active low-power mode.
- Very low noise: down to 1.3 mg RMS in low-power mode.
- Multiple operating modes with multiple bandwidths.
- High-speed I²C/SPI digital output interface.
- Embedded temperature sensor.
- Self-test capability.
- 32-level FIFO buffer.
- Dedicated internal engine for motion and acceleration detection, including free-fall, wakeup, single/double-tap recognition, activity/inactivity, stationary/motion detection, portrait/landscape detection, and 6D/4D orientation.
- High shock survivability of up to 10,000 g).
- ECOPACK, RoHS, and 'Green' compliant).
Applications
- Handheld devices and portable electronics).
- Hearing aids).
- Portable healthcare devices).
- Wireless sensor nodes).
- Motion-enabled metering devices).
- Smart home and IoT devices).
- Automotive and industrial applications requiring precise motion detection).
Q & A
- What is the LIS2DW12TR?
The LIS2DW12TR is an ultra-low-power, high-performance three-axis linear accelerometer produced by STMicroelectronics.
- What are the user-selectable full scales of the LIS2DW12TR?
The LIS2DW12TR has user-selectable full scales of ±2g, ±4g, ±8g, and ±16g.
- What is the output data rate range of the LIS2DW12TR?
The output data rate ranges from 1.6 Hz to 1600 Hz.
- What is the power consumption of the LIS2DW12TR in power-down mode?
The power consumption is 50 nA in power-down mode and below 1 µA in active low-power mode.
- What interfaces does the LIS2DW12TR support?
The LIS2DW12TR supports high-speed I²C and SPI digital output interfaces).
- What is the temperature range of the LIS2DW12TR?
The device operates over an extended temperature range from -40°C to +85°C.
- Does the LIS2DW12TR have an embedded temperature sensor?
Yes, the LIS2DW12TR has an embedded temperature sensor.
- What advanced motion detection features does the LIS2DW12TR support?
The device supports features such as free-fall detection, single/double-tap recognition, activity/inactivity detection, and 6D/4D orientation detection.
- What is the package type of the LIS2DW12TR?
The LIS2DW12TR is available in a 3x3x0.9mm LGA-12 package.
- Is the LIS2DW12TR compliant with environmental standards?
Yes, the LIS2DW12TR is ECOPACK, RoHS, and 'Green' compliant).
