LIS2DS12TR Overview
The LIS2DS12TR is a highly integrated ultra-low-power digital 3-axis accelerometer designed for industrial and consumer applications requiring accurate motion sensing. Featuring a wide dynamic range up to ??16g and a programmable full-scale selection, it delivers precise acceleration data with low noise and high stability. The device incorporates advanced embedded functions such as self-test, wake-up interrupt, and FIFO buffer, enabling efficient power management and system integration. Its compact package and robust architecture make it ideal for vibration monitoring, gesture recognition, and tilt detection. Designed by Produttore di circuiti integrati, this sensor offers engineers a reliable solution for intelligent motion detection and control.
LIS2DS12TR Technical Specifications
| Parametro | Valore |
|---|---|
| Supply Voltage (Vdd) | 1.71 V to 3.6 V |
| Tipo di uscita | Digital (I2C / SPI interfaces) |
| Campo di misura | ??2g / ??4g / ??8g / ??16g selectable |
| Output Data Rate (ODR) | 1 Hz to 1.6 kHz programmable |
| Consumo di energia | Down to 8 ??A in low-power mode |
| Densità del rumore | 90 ??g/??Hz (typical at 12-bit resolution) |
| Embedded FIFO | Up to 32 samples buffer |
| Pacchetto | 3x3x0.85 mm LGA-14 |
LIS2DS12TR Key Features
- Multi-Range Sensitivity: Selectable ??2g to ??16g allows precise acceleration measurements across various dynamic environments.
- Basso consumo energetico: Ultra-low current modes extend device battery life, crucial for portable and always-on applications.
- Embedded FIFO Buffer: Minimizes host microcontroller load by storing up to 32 acceleration samples, aiding efficient data handling.
- Programmable Interrupts: Configurable wake-up and motion detection interrupts simplify event-driven system designs.
Applicazioni tipiche
- Industrial machinery vibration monitoring where accurate acceleration sensing enables predictive maintenance and fault detection.
- Portable consumer electronics requiring gesture recognition for intuitive user interfaces.
- Wearable devices implementing step counting and activity tracking with low power demands.
- IoT and smart home systems employing tilt detection and free-fall recognition for enhanced device safety and functionality.
LIS2DS12TR Advantages vs Typical Alternatives
This accelerometer offers superior flexibility through its wide selectable measurement ranges and programmable data rates, delivering high sensitivity and accuracy even under dynamic conditions. Its ultra-low power modes and embedded FIFO buffer reduce system power consumption and processing overhead compared to typical alternatives. The robust digital interface ensures reliable data communication, making it an ideal choice for industrial and consumer applications requiring integrated, low-noise, and efficient acceleration sensing.
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LIS2DS12TR Brand Info
The LIS2DS12TR is a product of STMicroelectronics, a global leader in semiconductor manufacturing. STMicroelectronics specializes in MEMS sensors, offering a broad portfolio of accelerometers known for their precision, reliability, and innovative features. This particular accelerometer is part of ST??s LIS2 family, designed to meet stringent industrial and consumer requirements with advanced motion detection capabilities and optimized power consumption. ST??s commitment to quality and extensive application support ensures this device integrates seamlessly into diverse system designs.
FAQ
What interfaces are supported by the LIS2DS12TR for communication?
The device supports both I2C and SPI digital interfaces, allowing flexible integration with a wide range of microcontrollers and processors. This dual interface capability ensures compatibility with various system architectures and simplifies hardware design.
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How does the embedded FIFO buffer improve system performance?
The built-in FIFO can store up to 32 acceleration samples, reducing the need for continuous host processor intervention. This buffering capability lowers CPU load, conserves power, and enables efficient data acquisition during high-rate sampling or in event-driven applications.
What are the power consumption characteristics of this accelerometer?
The LIS2DS12TR is designed for ultra-low power operation, consuming as little as 8 ??A in low-power modes. This makes it suitable for battery-powered and always-on devices where extended operational life is critical.