STMicroelectronics 3 Axis Accelerometer Sensor 1.71 V to 3.6 V, I2C Interface, LGA 12-Pin LSM303AGRTR

STMicroelectronics LSM303AGRTR 3 Axis Accelerometer Sensor delivers high-performance motion sensing with ultra-low power consumption, operating from 1.71 V up to 3.6 V. Packaged in a compact 12-pin LGA surface mount, measuring only 2 mm by 2 mm by 1 mm, this device integrates a 3D digital linear acceleration sensor and a 3D digital magnetic sensor, enabling combined accelerometer and magnetometer applications.

Equipped with an I2C serial bus interface, the sensor supports standard mode, fast mode, fast mode plus, and high-speed I2C communication up to 3.4 MHz. Additionally, an SPI interface is available for flexible communication needs. The sensor is capable of linear acceleration full scales of ±2g, ±4g, ±8g, and ±16g, while the magnetometer features a magnetic field dynamic range of ±50 gauss, making it suitable for precise orientation and motion detection tasks.

Designed for industrial and commercial use, the LSM303AGRTR operates reliably within harsh environments with temperatures from -40°C to 85°C. Its embedded FIFO buffer and self-test features enhance reliability and ease of integration in complex systems. Programmable interrupt generators handle events such as free fall, motion detection, and magnetic field detection, allowing for advanced sensing applications.

Common applications include mobile devices, gaming and virtual reality input devices, intelligent power management in handheld devices, pedometers, step counters, map rotation, impact logging, and display orientation detection. The embedded temperature sensor offers additional data points for system diagnostics and environmental awareness.

Operates in voltage range from 1.71 V to 3.6 V for versatility in power supply configurations. Provides 16-bit digital output data for accurate motion sensing. Compact LGA 12-pin package provides space-saving and surface mounting advantages.

Supports I2C and SPI serial interfaces for flexible connectivity in embedded systems. Industrial-grade temperature range supports robust applications in varied environments. Embedded FIFO and self-test functions improve data integrity and device health monitoring.

Programmable interrupt generators enhance event-driven sensing capabilities. Low power consumption at 200 μA enables extended battery life in portable applications. High sensitivity of 187.58 mg/LSB supports fine motion detection and analysis.

STMicroelectronics’ LSM303AGRTR sensor is ideal for applications in industrial automation, automotive systems, consumer electronics, robotics, and navigation systems. Its combination of accelerometer and magnetometer allows developers to implement features like orientation sensing, motion-triggered functions, and environmental monitoring.

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