The AIS328DQTR is a compact, low-power, three-axis linear accelerometer designed for precise motion detection and tilt sensing in industrial and consumer applications. Featuring a digital I2C/SPI interface and multiple selectable full-scale ranges, it provides high-resolution acceleration data with built-in filtering options to minimize noise. Its ultra-low power consumption makes it ideal for battery-operated devices, while the embedded interrupt features enable efficient event-driven operation. This robust MEMS sensor ensures reliable performance in harsh environments, making it a versatile choice for engineers and sourcing specialists seeking a dependable acceleration solution. For more details, visit IC-fabrikant.
AIS328DQTR Technical Specifications
Parameter
Specificatie
Axes
3 (X, Y, Z)
Full-Scale Ranges
??2 g, ??4 g, ??8 g
Output Data Rate (ODR)
1 Hz to 5 kHz selectable
Interface
I2C / SPI digital serial interface
Voedingsspanning
2.4 V to 3.6 V
Current Consumption
150 ??A (typical at 100 Hz ODR)
Geluidsdichtheid
90 ??g/??Hz (at 100 Hz ODR)
Bedrijfstemperatuurbereik
-40 °C tot +85 °C
Type verpakking
10-lead QFN (3x3x1 mm)
Embedded Features
Click and double-click detection, interrupt generation
AIS328DQTR Key Features
Three-axis sensing: Provides precise measurement of acceleration across X, Y, and Z axes, enabling accurate motion and orientation detection for complex applications.
Selectable full-scale ranges: Allows users to choose between ??2 g, ??4 g, or ??8 g sensitivity, optimizing performance based on application-specific dynamic range requirements.
Laag energieverbruik: Operates efficiently at 150 ??A typical current, extending battery life in portable and wearable devices while maintaining high data fidelity.
Flexible digital interface: Supports both I2C and SPI protocols, facilitating seamless integration with a wide variety of microcontrollers and reducing system design complexity.
Embedded interrupt features: Includes click and double-click detection with interrupt output, enabling event-driven operation and reducing processor load.
Compacte QFN-verpakking: Small 3×3 mm footprint simplifies PCB layout and supports high-density designs in space-constrained industrial environments.
Breed temperatuurbereik: Ensures reliable performance in harsh industrial conditions from -40??C to +85??C, suitable for diverse environments.
Typische toepassingen
Industrial machinery monitoring: Detects vibration and tilt changes to enhance predictive maintenance and prevent equipment failure in manufacturing plants.
Consumer electronics: Integrates into wearable devices and smartphones for activity tracking and gesture recognition.
Gaming and virtual reality systems: Provides precise motion sensing to enable immersive user experiences through accurate orientation detection.
Automotive systems: Used for vehicle dynamics control, rollover detection, and driver safety systems requiring reliable acceleration data.
AIS328DQTR Advantages vs Typical Alternatives
This accelerometer stands out for its combination of low power consumption, selectable dynamic range, and embedded interrupt capabilities, offering superior flexibility and integration ease compared to typical devices. Its digital I2C/SPI interface supports diverse system architectures, while the compact package and wide temperature tolerance enhance reliability in industrial settings. These advantages enable engineers to optimize both performance and efficiency without compromising sensor accuracy or durability.
The AIS328DQTR is a product developed and manufactured by STMicroelectronics, a leading global semiconductor company known for its innovation in MEMS sensors and industrial-grade components. STMicroelectronics specializes in delivering high-performance accelerometers designed for precision, low power, and robustness. The AIS328DQTR continues this legacy by offering a versatile MEMS accelerometer solution widely adopted in industrial, consumer, and automotive applications, backed by comprehensive technical support and global distribution networks.
FAQ
What supply voltage range does the AIS328DQTR support
