SKU: SENS-1058
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STMicroelectronics LIS2DH12 3-Axis Digital Accelerometer, ±2/4/8/16g, I²C/SPI, Low Power MEMS Sensor

₹135.00 (Inclusive of all taxes)
Out of Stock

The STMicroelectronics LIS2DH12 is a 3-axis digital MEMS accelerometer offering selectable full-scale ranges from ±2g to ±16g. It communicates via I²C or SPI digital interfaces, operates from 1.71V to 3.6V, and is engineered for ultra-low-power applications in wearables, IoT, and industrial monitoring systems compatible with Arduino, Raspberry Pi, ESP32, and STM32 platforms.

Features

  • 3-axis digital MEMS accelerometer with selectable ±2g, ±4g, ±8g, and ±16g full-scale ranges.
  • Dual digital interface support for I²C (up to 400 kHz) and SPI (4-wire) communication protocols.
  • Ultra-low power operation down to 2 µA in low-power mode, ideal for battery-powered devices.
  • Wide operating voltage range from 1.71V to 3.6V, compatible with 1.8V and 3.3V logic systems.
  • Integrated motion detection functions including free-fall, wake-up, and 6D/4D orientation recognition.

Out of stock

Description

The LIS2DH12 is a high-performance, low-power MEMS accelerometer utilizing a capacitive sensing element to measure static acceleration (gravity) and dynamic motion across three axes. Its internal signal conditioning chain includes a low-noise analog front-end, a 16-bit ADC, and digital filtering, providing stable and precise digital output data. The device is designed for robust operation in consumer and industrial environments.

Engineered for system efficiency, it features multiple programmable operating modes and data rates to balance power consumption and performance. The integrated FIFO buffer and interrupt generators for motion detection, tap recognition, and activity/inactivity monitoring reduce host microcontroller load. Its monolithic construction and SMD LGA package ensure reliable performance in compact, space-constrained PCB layouts typical of modern portable electronics and embedded sensor nodes.

Key Features

  • High-resolution 16-bit digital output for precise acceleration measurement.
  • Programmable data rates from 1 Hz to 5.3 kHz for flexible power/performance tuning.
  • Embedded temperature sensor and self-test capability for system diagnostics.
  • High-value build with a robust MEMS structure designed for high shock survivability.
  • Durable construction in a lead-free, RoHS-compliant LGA-12 package.
  • Optimized performance-to-cost ratio for high-volume wearable and IoT applications.
  • Supports embedded features like click/double-click detection and portrait/landscape identification.

Applications

  • Wearable device step counting, gesture recognition, and activity monitoring.
  • IoT node orientation sensing and shock/vibration detection for predictive maintenance.
  • Robotics and drone inertial measurement for stabilization and navigation.
  • Consumer electronics screen rotation, tap-to-wake, and free-fall detection for HDD protection.
  • Industrial equipment tilt sensing, vibration analysis, and condition monitoring.

Technical Specifications

Manufacturer Part NumberLIS2DH12
Sensor Type3-Axis Digital Accelerometer
TechnologyMEMS (Capacitive)
Measurement Range±2g / ±4g / ±8g / ±16g (Selectable)
Output InterfaceI²C (up to 400 kHz), SPI (4-wire)
Supply Voltage (Vdd)1.71 V to 3.6 V
Current Consumption (Low Power Mode)2 µA (typical)
Output Data Rate1 Hz to 5.3 kHz (Programmable)
Output Resolution16-bit
Operating Temperature Range-40 °C to +85 °C
Package TypeLGA-12 (Surface Mount)
Dimensions (Package)2.0 x 2.0 x 1.0 mm (typical)
Integrated FeaturesTemperature Sensor, FIFO, Self-Test, Interrupts

Frequently Asked Questions

What is the operating voltage range for the LIS2DH12 accelerometer?

The LIS2DH12 operates from a supply voltage (Vdd) of 1.71V to 3.6V, making it directly compatible with both 1.8V and 3.3V logic systems commonly found in modern microcontrollers like ESP32, STM32, and nRF52 series. It is not 5V tolerant; ensure I/O lines are level-shifted if interfacing with a 5V host.

How do I choose between the I²C and SPI communication interfaces?

The interface is selected via the CS pin. Pulling CS high enables the I²C mode (with SDA and SCL lines), while driving CS low activates the 4-wire SPI interface. I²C is simpler for multi-device buses, while SPI offers higher data throughput. The default I²C address is 0x18/0x19 (SA0 pin dependent).

Can the LIS2DH12 detect specific motion events like free-fall or tap?

Yes, the LIS2DH12 includes programmable interrupt generators for motion detection. You can configure thresholds and timing for free-fall, wake-up, 6D/4D orientation, click/double-click, and activity/inactivity sensing. These events can trigger hardware interrupt pins, allowing the host MCU to remain in sleep mode until an event occurs.

What is the typical current consumption in active and low-power modes?

Current consumption varies with the selected output data rate (ODR). In low-power mode at 1 Hz ODR, typical consumption is around 2 µA. In high-resolution normal mode at the maximum 5.3 kHz ODR, consumption rises to approximately 11 µA. This ultra-low power profile is ideal for always-on battery-powered applications.

Package Includes

  • 1 x STMicroelectronics LIS2DH12 Accelerometer IC (LGA-12 package).

Additional Information

Weight 0.005 kg
Dimensions 2 × 2 × 2 cm