AIS2DW12TR STMicroelectronics 3-Axis Digital Accelerometer, LGA-12 Package

AIS2DW12TR Overview

The AIS2DW12TR is a highly integrated, ultra-low-power, 3-axis digital accelerometer designed for precise motion detection and orientation sensing. It provides a wide range of user-selectable full-scale settings and supports multiple operating modes, ensuring versatile application in battery-powered and always-on devices. With embedded features such as embedded FIFO and configurable interrupts, this accelerometer enhances system responsiveness and power efficiency. Its compact package and robust performance make it an ideal choice for industrial applications demanding reliable motion sensing. For detailed technical support and sourcing, visit IC Manufacturer.

AIS2DW12TR Technical Specifications

Parameter	Specification
Axes	3-axis accelerometer
Full Scale Range	??2 g / ??4 g / ??8 g / ??16 g
Output Data Rate (ODR)	12.5 Hz to 1600 Hz selectable
Power Supply Voltage	1.71 V to 3.6 V
Current Consumption	95 ??A at 100 Hz ODR, typical
Interface	I2C (up to 1 MHz) and SPI (4-wire, up to 10 MHz)
Embedded FIFO	Up to 512 samples
Package	12-lead WLCSP, 2 mm ?? 2 mm ?? 0.7 mm

AIS2DW12TR Key Features

• Ultra-Low Power Consumption: Enables extended battery life in portable and wearable devices by minimizing energy usage during continuous sensing.
• Wide Full-Scale Range: Supports ??2 g to ??16 g, allowing accurate measurement of both subtle and high-impact motions for diverse industrial applications.
• Embedded FIFO Buffer: Stores up to 512 samples, reducing host processor load and enabling efficient data handling in real-time systems.
• Multi-Interface Support: Compatible with both I2C and SPI protocols for versatile integration with various microcontrollers and processors.

Typical Applications

• Industrial machinery monitoring: Detects vibrations and shocks to enable predictive maintenance and enhance equipment reliability.
• Asset tracking systems requiring precise motion detection and orientation sensing to improve logistics and supply chain management.
• Wearable devices where low power consumption and compact size are critical for user comfort and extended operation time.
• Consumer electronics such as smartphones and tablets, providing enhanced user experience via motion-based controls and screen orientation.

AIS2DW12TR Advantages vs Typical Alternatives

This accelerometer stands out due to its combination of ultra-low power consumption and flexible full-scale ranges, enabling use in a broad spectrum of industrial and consumer applications. Its embedded FIFO buffer optimizes data throughput and reduces processor workload compared to alternatives lacking onboard data storage. Additionally, the dual-interface support (I2C and SPI) simplifies system integration, while the compact WLCSP package maximizes board space efficiency, making it a preferred choice for advanced motion sensing solutions.

AIS2DW12TR Brand Info

The AIS2DW12TR is developed by STMicroelectronics, a global leader in semiconductor manufacturing specializing in microelectromechanical systems (MEMS) sensors. STMicroelectronics offers a comprehensive portfolio of MEMS accelerometers designed for industrial, consumer, and automotive markets. This model exemplifies the brand??s commitment to delivering high-performance, power-efficient sensors with robust features tailored to demanding applications. The company provides extensive documentation, design tools, and support to facilitate seamless integration and rapid development cycles.

FAQ

What interfaces does the AIS2DW12TR support for communication?

The device supports both I2C and SPI (4-wire) communication interfaces. I2C can operate up to 1 MHz, while SPI supports clock speeds up to 10 MHz, allowing flexible connection options to various microcontrollers and processors.

How does the embedded FIFO buffer improve system performance?

The onboard FIFO buffer can store up to 512 samples, which reduces the need for frequent data reads from the host processor. This feature decreases processor load and power consumption, enabling efficient data management and smoother real-time motion processing.

What power supply voltage range is required for proper operation?

The accelerometer operates within a voltage range of 1.71 V