SKU: SENS-1149
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STMicroelectronics LIS2DH12TR LGA-12 3-Axis Accelerometer Sensor ROHS

₹83.00 (Inclusive of all taxes)
Out of Stock

The STMicroelectronics LIS2DH12TR is an ultra-low-power, high-performance 3-axis MEMS accelerometer in an LGA-12 package, compatible with 1.8V to 3.6V logic systems including Arduino, Raspberry Pi, ESP32, and STM32. It provides selectable full-scale ranges from ±2g to ±16g with integrated motion detection, free-fall sensing, and orientation recognition.

Features

  • Ultra-low power consumption down to 2 μA for battery-sensitive designs.
  • Selectable full-scale ranges: ±2g, ±4g, ±8g, and ±16g.
  • Integrated 6D/4D orientation detection and programmable motion/free-fall interrupt generators.
  • Wide supply voltage range from 1.71V to 3.6V with independent I/O supply (1.8V).
  • Embedded 32-level FIFO buffer and temperature sensor for advanced data handling.

Out of stock

Description

The LIS2DH12TR is a MEMS-based linear accelerometer engineered for precision motion sensing in power-constrained applications. Its robust architecture includes a high-resolution output data register and advanced digital features like sleep-to-wake and return-to-sleep functions, enabling intelligent power management without external intervention.

Communication is facilitated via selectable I2C or SPI digital interfaces, providing flexibility for integration into diverse microcontroller and processor ecosystems. The device’s embedded FIFO allows for efficient data buffering, reducing host processor load and enabling more complex motion algorithm processing directly on-sensor.

Key Features

  • Ultra-low-power high-performance 3-axis accelerometer with MEMS sensing element.
  • Programmable interrupt generators for free-fall, motion, and orientation detection.
  • Embedded 32-slot FIFO for efficient data storage and host processor offload.
  • Integrated temperature sensor for environmental compensation or system monitoring.
  • Wide operating voltage range (1.71 V to 3.6 V) compatible with modern low-voltage MCUs.
  • Independent I/O supply pin (VDDIO) allows 1.8V digital interface communication.
  • Selectable output data rates (ODR) from 1 Hz to 5.3 kHz for optimized power/performance.
  • ECOPACK® and RoHS compliant, meeting stringent environmental and safety standards.

Applications

  • Motion-activated user interfaces and context-aware functions in portable consumer electronics.
  • Pedometer and activity tracking in wearable fitness devices and smartwatches.
  • Impact recognition and free-fall detection for data protection in laptops, tablets, and drones.
  • Gaming controllers and VR/AR input devices for precise motion capture.
  • Industrial vibration monitoring and equipment tilt sensing in IoT sensor nodes.

Technical Specifications

Manufacturer Part NumberLIS2DH12TR
Sensor Type3-Axis Digital Accelerometer
Full-Scale Range±2g, ±4g, ±8g, ±16g (Selectable)
Supply Voltage (VDD)1.71 V to 3.6 V
I/O Supply Voltage (VDDIO)1.8 V
Digital InterfaceI2C / SPI (Selectable)
Low Power ConsumptionDown to 2 μA
Output Data Rate (ODR)1 Hz to 5.3 kHz
Operating Temperature-40°C to +85°C
Package TypeLGA-12 (2x2 mm)
Embedded Features32-Level FIFO, Temperature Sensor, 6D/4D Orientation, Motion/Free-fall Detection
CertificationRoHS Compliant

Frequently Asked Questions

What is the operating voltage range for the LIS2DH12TR accelerometer?

The LIS2DH12TR operates from a main supply voltage (VDD) between 1.71V and 3.6V. It features a separate VDDIO pin for the digital I/O lines, which can be supplied with 1.8V, allowing direct interface with low-voltage microcontrollers without level shifters.

How do I communicate with the LIS2DH12TR sensor module?

The sensor provides a selectable digital interface. You can configure it to use either I2C (with two selectable addresses) or a 3-wire/4-wire SPI protocol. The interface selection is made by controlling the state of the CS (Chip Select) and SDO/SA0 pins during power-up.

Can the LIS2DH12TR detect free-fall and generate an interrupt?

Yes, the device includes two independent, fully programmable interrupt generators. One can be configured for free-fall detection by setting a threshold and duration window. When a free-fall event matching these criteria occurs, an interrupt signal is triggered on the dedicated INT1 or INT2 pin, alerting the host processor.

What is the purpose of the embedded FIFO in this accelerometer?

The integrated 32-slot FIFO (First-In, First-Out) buffer stores acceleration data, allowing the host microcontroller to sleep for longer periods and batch-read data. This drastically reduces system power consumption and offloads real-time data handling, making it ideal for battery-powered IoT and wearable applications.

Is the LIS2DH12TR suitable for high-vibration industrial environments?

While robust, its primary design is for consumer and portable electronics. For high-vibration industrial monitoring, consider ST's industrial-grade sensors with wider g-ranges and enhanced durability. The LIS2DH12TR's -40°C to +85°C operating range suits many controlled industrial IoT applications.

Package Includes

  • 1 x STMicroelectronics LIS2DH12TR Accelerometer IC (LGA-12 package).

Additional Information

Weight 0.035 kg
Dimensions 1.2 × 0.9 cm