STMicroelectronics LIS2DW12TR – Ultra-Low-Power 3-Axis Accelerometer, LGA-14 Package

LIS2DW12TR Overview

The LIS2DW12TR is a high-performance ultra-low-power 3-axis digital accelerometer designed for precise motion detection in compact, battery-operated devices. Featuring a wide selectable full-scale range and embedded features such as programmable interrupts and low noise performance, it is ideal for applications requiring accurate motion sensing with extended battery life. Its I2C and SPI digital interfaces ensure seamless integration into a variety of embedded systems, making it a versatile choice for portable electronics and industrial equipment. For more detailed information, visit IC Üreticisi.

LIS2DW12TR Technical Specifications

Parametre	Değer
Eksenler	3 eksenli ivmeölçer
Besleme Gerilimi	1,71 V ila 3,6 V
Output Data Rate	1 Hz to 1.6 kHz
Full Scale Range	??2 g, ??4 g, ??8 g, ??16 g selectable
Arayüz	I2C / SPI digital interface
Gürültü Yoğunluğu	90 ??g/??Hz (typical at 100 Hz)
Güç Tüketimi	Down to 0.65 ??A in low-power mode
Paket	14-lead LGA, 3 x 3 x 0.95 mm
Çalışma Sıcaklık Aralığı	-40 °C ila +85 °C

LIS2DW12TR Key Features

• Ultra düşük güç tüketimi: Enables extended battery life in portable devices thanks to power modes as low as 0.65 ??A.
• Wide dynamic range: Supports ??2 g to ??16 g selectable full-scale ranges for versatile motion sensing in various environments.
• Embedded interrupt engine: Programmable events such as free-fall, wake-up, and tap detection reduce host processor load and improve system responsiveness.
• Yüksek çözünürlüklü çıktı: Digital 16-bit data ensures precise acceleration measurement with minimal noise for accurate motion analysis.

Tipik Uygulamalar

• Wearable devices and fitness trackers requiring accurate step counting and activity monitoring with minimal power consumption.
• Smartphones and tablets for screen orientation detection and gesture recognition.
• Industrial equipment monitoring systems to detect vibrations and shocks for predictive maintenance.
• IoT sensors where compact size and low power are critical for long-term deployment and reliable motion sensing.

LIS2DW12TR Advantages vs Typical Alternatives

This accelerometer stands out with its combination of ultra-low power consumption and high sensitivity, enabling longer device operation without compromising accuracy. Its flexible full-scale range and embedded interrupt features simplify system design, reducing the need for external components. Compared to typical alternatives, it offers greater integration and reliability in harsh environments, making it a preferred choice for engineers prioritizing power efficiency and precise motion detection.

LIS2DW12TR Brand Info

The LIS2DW12TR is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics is recognized for delivering innovative MEMS sensors that combine low power consumption with high performance. The LIS2DW12TR is part of ST??s extensive portfolio of MEMS accelerometers designed for consumer electronics, industrial, and IoT applications. ST??s strong commitment to quality and reliability ensures this device meets stringent industrial standards and supports diverse application requirements.

SSS

What communication protocols does the LIS2DW12TR support?

The device supports both I2C and SPI digital interfaces. This dual compatibility allows flexible integration into various embedded systems and microcontroller platforms, facilitating easy communication and data exchange.

How does the LIS2DW12TR manage power consumption?

The accelerometer features multiple power modes, including an ultra-low-power mode consuming as little as 0.65 ??A. This allows developers to optimize energy usage based on application demands, extending battery life in portable and wearable devices.

What is the full-scale acceleration range available on this accelerometer?

The sensor provides selectable full-scale ranges of ??2 g, ??4 g, ??8 g, and ??16 g. This flexibility enables adaptation to different motion sensing requirements, from subtle movements to high-impact events.

Can the LIS2DW12TR detect specific