Overview
The LSM303D is a system-in-package developed by STMicroelectronics, featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. This ultra-compact module is designed for high-performance applications, including tilt-compensated compasses, map rotation, and motion detection. The device integrates both accelerometer and magnetometer functionalities, making it an ideal choice for various motion-sensing and orientation applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Linear Acceleration Full Scales | ±2g, ±4g, ±6g, ±8g, ±16g |
| Magnetic Field Full Scales | ±2 gauss, ±4 gauss, ±8 gauss, ±12 gauss |
| Data Output Resolution | 16-bit |
| Serial Interfaces | SPI, I2C (standard and fast mode: 100 kHz and 400 kHz) |
| Analog Supply Voltage | 2.16 V to 3.6 V |
| Operating Temperature Range | -40 °C to +85 °C |
| Package Type | Plastic land grid array (LGA) - LGA-16 (3x3x1 mm) |
Key Features
- 3 magnetic field channels and 3 acceleration channels
- Programmable interrupt generators for free-fall, motion detection, and magnetic field detection
- Power-down mode and low-power mode
- Embedded temperature sensor and FIFO
- ECOPACK®, RoHS, and “Green” compliant
- Separate enable and power-down modes for magnetic and accelerometer blocks
Applications
- Tilt-compensated compasses
- Map rotation and position detection
- Motion-activated functions and free-fall detection
- Click/double-click recognition and pedometers
- Intelligent power saving for handheld devices
- Gaming and virtual reality input devices
- Impact recognition and logging, vibration monitoring and compensation
- Display orientation
Q & A
- What is the LSM303D?
The LSM303D is a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor.
- What are the linear acceleration full scales of the LSM303D?
The linear acceleration full scales are ±2g, ±4g, ±6g, ±8g, and ±16g.
- What are the magnetic field full scales of the LSM303D?
The magnetic field full scales are ±2 gauss, ±4 gauss, ±8 gauss, and ±12 gauss.
- What serial interfaces does the LSM303D support?
The LSM303D supports SPI and I2C serial interfaces (standard and fast mode: 100 kHz and 400 kHz).
- What is the operating temperature range of the LSM303D?
The operating temperature range is from -40 °C to +85 °C.
- Can the magnetic and accelerometer blocks be controlled separately?
- Does the LSM303D have an embedded temperature sensor?
- What is the package type of the LSM303D?
The LSM303D is available in a plastic land grid array (LGA) package, specifically LGA-16 (3x3x1 mm).
- Is the LSM303D environmentally friendly?
- What are some common applications of the LSM303D?
