STMicroelectronics LSM303AH 6-Axis eCompass Sensor, ±16g Accelerometer + ±50 Gauss Magnetometer, SPI/I²C, 16-bit, LGA-12

Name: STMicroelectronics LSM303AH 6-Axis eCompass Sensor, ±16g Accelerometer + ±50 Gauss Magnetometer, SPI/I²C, 16-bit, LGA-12
Brand: STMicroelectronics
SKU: SENS-1065
Price: 559.00 INR
Availability: OutOfStock

₹559.00 (Inclusive of all taxes)

Out of Stock

The STMicroelectronics LSM303AH is a 6-axis eCompass sensor integrating a 3-axis accelerometer and a 3-axis magnetometer in a single LGA-12 package. It provides high-precision 16-bit orientation and heading data via SPI or I²C interfaces, making it ideal for integration into drones, robotics, wearables, and IoT navigation systems requiring stable motion tracking.

Features

Integrated 6-axis eCompass with ±16g accelerometer and ±50 Gauss magnetometer.
High-precision 16-bit digital output for accurate orientation and heading detection.
Dual SPI and I²C communication interfaces for flexible system integration.
Low-voltage operation from 1.71V to 1.98V, optimized for portable and battery-powered devices.
Compact LGA-12 surface-mount package suitable for space-constrained PCB designs.

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Description

The LSM303AH from STMicroelectronics is a highly integrated MEMS-based 6-axis eCompass sensor, combining a 3-axis digital accelerometer and a 3-axis magnetometer. It delivers precise motion and magnetic field sensing with 16-bit resolution, enabling accurate tilt-compensated heading calculations essential for navigation and orientation applications.

Engineered for stability in dynamic environments, the sensor operates over a wide temperature range from -40°C to +85°C and supports configurable output data rates up to 6400 Hz for the accelerometer. Its low-voltage, low-power design makes it suitable for integration into compact, battery-powered electronic systems such as smartphones, wearable devices, drones, and robotic platforms.

Key Features

Integrated 6-axis eCompass sensor combining a 3-axis accelerometer and a 3-axis magnetometer.
Selectable accelerometer full-scale ranges: ±2g, ±4g, ±8g, and ±16g.
High-resolution 16-bit digital output for both acceleration and magnetic field data.
Dual digital interfaces: SPI (4-wire) and I²C for flexible microcontroller connectivity.
Low operating voltage range from 1.71V to 1.98V, minimizing system power consumption.
Compact, robust LGA-12 surface-mount package for high-density PCB layouts.
Wide operating temperature range from -40°C to +85°C for industrial and consumer applications.
Configurable accelerometer output data rate from 1 Hz to 6400 Hz.

Applications

Drone and UAV flight stabilization and navigation systems.
Robotic platform orientation and dead-reckoning navigation.
Wearable device step counting, activity tracking, and screen orientation.
Smartphone and tablet screen auto-rotation and augmented reality applications.
IoT asset tracking and indoor navigation devices.

Technical Specifications

Manufacturer Part Number	LSM303AH
Brand	STMicroelectronics
Sensor Type	6-Axis eCompass (3-Axis Accelerometer + 3-Axis Magnetometer)
Accelerometer Range	±2g, ±4g, ±8g, ±16g (selectable)
Magnetometer Range	±50 Gauss
Resolution	16-bit
Communication Interface	SPI / I²C
Supply Voltage	1.71 V to 1.98 V
Accelerometer Output Data Rate	1 Hz to 6400 Hz
Operating Temperature	-40°C to +85°C
Package Type	LGA-12
Mounting Type	Surface Mount (SMD)

Frequently Asked Questions

What is the operating voltage range for the LSM303AH sensor?

The LSM303AH operates from a low supply voltage of 1.71V to 1.98V. This makes it specifically designed for low-power, battery-operated portable electronics and IoT devices where power efficiency is critical.

What communication interfaces does the LSM303AH support?

The sensor supports both SPI (4-wire) and I²C digital communication protocols. This dual-interface design provides flexibility for integration with a wide range of microcontrollers and processors, such as Arduino, Raspberry Pi, STM32, and ESP32 platforms.

What are the selectable measurement ranges for the accelerometer?

The integrated 3-axis accelerometer offers four user-selectable full-scale ranges: ±2g, ±4g, ±8g, and ±16g. This allows you to optimize the sensor's sensitivity and dynamic range for different application requirements, from subtle tilt detection to high-acceleration motion tracking.

Is the LSM303AH suitable for surface-mount assembly?

Yes, the sensor comes in a compact LGA-12 (Land Grid Array) surface-mount package. It is designed for automated PCB assembly processes and is ideal for space-constrained designs in consumer electronics, wearables, and compact drone flight controllers.

What is the primary application of this 6-axis eCompass sensor?

The LSM303AH is engineered for precise orientation and heading determination. By fusing accelerometer (tilt) and magnetometer (Earth's magnetic field) data, it provides a tilt-compensated compass heading, making it essential for navigation in drones, robotics, VR/AR headsets, and smartphone applications.