Overview
The LSM303AGRTR, produced by STMicroelectronics, is an ultracompact high-performance eCompass module that integrates a 3-axis digital linear acceleration sensor and a 3-axis digital magnetic sensor. This system-in-package is designed for ultra-low power consumption, making it ideal for handheld devices and various applications requiring precise motion and orientation sensing.
Key Specifications
| Attribute | Specification |
|---|---|
| Package Style | LGA-12 |
| Mounting Method | Surface Mount |
| Acceleration Full Scales | ±2g, ±4g, ±8g, ±16g |
| Magnetic Dynamic Range | ±50 gauss |
| Data Output | 16-bit |
| Serial Interfaces | SPI, I²C (standard, fast mode, fast mode plus, high-speed) |
| Analog Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature Range | -40 °C to +85 °C |
| Compliance | ECOPACK and RoHS compliant |
Key Features
- 3 magnetic field channels and 3 acceleration channels
- Selectable power mode/resolution for accelerometer and magnetometer
- Programmable interrupt generators for free-fall, motion detection, and magnetic field detection
- Embedded self-test, temperature sensor, and FIFO
- Support for single measurement mode for magnetometer
- I²C and SPI serial interfaces with various speed modes
Applications
- Tilt-compensated compasses
- Map rotation and position detection
- Motion-activated functions and free-fall detection
- Click/double-click recognition and pedometers
- Gaming and virtual reality input devices
- Impact recognition and logging, vibration monitoring and compensation
- Intelligent power saving for handheld devices and display orientation
Q & A
- What is the LSM303AGRTR? The LSM303AGRTR is an ultracompact high-performance eCompass module featuring a 3-axis accelerometer and a 3-axis magnetometer.
- What are the acceleration full scales of the LSM303AGRTR? The acceleration full scales are ±2g, ±4g, ±8g, and ±16g.
- What is the magnetic dynamic range of the LSM303AGRTR? The magnetic dynamic range is ±50 gauss.
- What serial interfaces does the LSM303AGRTR support? It supports SPI and I²C serial interfaces with various speed modes.
- What is the operating temperature range of the LSM303AGRTR? The operating temperature range is -40 °C to +85 °C.
- Is the LSM303AGRTR compliant with environmental standards? Yes, it is ECOPACK and RoHS compliant.
- What are some common applications of the LSM303AGRTR? Common applications include tilt-compensated compasses, map rotation, motion-activated functions, and gaming devices.
- How does the LSM303AGRTR conserve power? It has selectable power modes and resolution for the accelerometer and magnetometer, and can be put into power-down mode separately.
- Does the LSM303AGRTR have any built-in sensors besides the accelerometer and magnetometer? Yes, it includes an embedded temperature sensor and FIFO.
- How can I interface with the LSM303AGRTR? You can interface with it using I²C or SPI serial interfaces.
