STMicroelectronics

AIS328DQ

AIS328DQ Description

The AIS328DQ from STMicroelectronics is a high-performance, low-power 3-axis digital accelerometer designed for demanding automotive and industrial applications. Operating within a 2.4V to 3.6V supply range, it offers selectable full-scale acceleration ranges of ±2g, ±4g, and ±8g with adjustable bandwidths from 25Hz to 500Hz, ensuring flexibility for diverse motion-sensing requirements. The device delivers digital output via I2C or SPI interfaces, supporting seamless integration with microcontrollers and embedded systems. Its 1020 LSB/g (±2g) to 255 LSB/g (±8g) sensitivity ensures high-resolution measurements, while its ROHS3 compliance and REACH unaffected status make it environmentally friendly. Packaged in a 24-pin QFN tray, the AIS328DQ is ideal for space-constrained designs.

AIS328DQ Features

• Automotive-grade reliability, meeting stringent industry standards.
• Selectable scale (±2g/±4g/±8g) and adjustable bandwidth (25Hz–500Hz) for optimized performance.
• Low-power operation with a 2.4V–3.6V supply range, suitable for battery-powered applications.
• High sensitivity (1020 LSB/g at ±2g) for precise motion detection.
• I2C and SPI digital interfaces for versatile connectivity.
• Surface-mount 24QFN package with MSL3 (168 hours) moisture sensitivity.
• Robust design with ±8g shock survivability, ideal for harsh environments.

AIS328DQ Applications

The AIS328DQ excels in automotive systems (e.g., electronic stability control, telematics), industrial equipment (vibration monitoring, tilt sensing), and consumer electronics (wearables, gaming controllers). Its wide bandwidth adjustability makes it perfect for impact detection in asset tracking, while its high sensitivity suits inclination measurement in construction tools. The automotive qualification ensures reliability in ADAS and vehicle navigation, outperforming generic accelerometers in durability and precision.

Conclusion of AIS328DQ

The AIS328DQ stands out as a versatile, high-performance accelerometer with automotive-grade robustness, flexible configurability, and low-power operation. Its digital interfaces, adjustable bandwidth, and selectable scales cater to a broad range of motion-sensing applications, from industrial machinery to next-gen automotive systems. For engineers seeking a reliable, precision-focused accelerometer, the AIS328DQ delivers unmatched performance in a compact, industry-compliant package.