AIS3624DQTR STMicroelectronics 3-Axis Digital Accelerometer Sensor – QFN24 Package

  • Detects motion and orientation changes to enable precise movement tracking in various devices.
  • Features a digital output that simplifies integration with microcontrollers and reduces signal noise.
  • Comes in a compact package, allowing efficient board space utilization for smaller device designs.
  • Ideal for wearable technology, providing accurate sensing with low power consumption for extended battery life.
  • Manufactured under controlled processes to ensure consistent performance and long-term reliability.
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AIS3624DQTR Overview

The AIS3624DQTR is a high-performance three-axis digital output accelerometer designed for industrial and consumer applications requiring precise motion detection and low power consumption. Featuring a wide dynamic range with selectable full-scale settings, it delivers accurate acceleration data through an I2C/SPI digital interface. The device integrates advanced embedded features for motion detection, tap recognition, and free-fall detection, enabling efficient system wake-up and power management. Its compact QFN package facilitates seamless integration in space-constrained designs. Engineers and sourcing specialists seeking a reliable, low-noise MEMS accelerometer will find this component suitable for various motion sensing applications. For more details, visit IC Manufacturer.

AIS3624DQTR Technical Specifications

ParameterSpecification
Measurement Axes3-axis (X, Y, Z)
Output TypeDigital (I2C/SPI interfaces)
Supply Voltage1.71 V to 3.6 V
Acceleration Full Scale??2 g / ??4 g / ??8 g / ??16 g selectable
Output Data Rate (ODR)12.5 Hz to 6.66 kHz selectable
Noise Density90 ??g/??Hz typical at 100 Hz
Operating Temperature Range-40 ??C to +85 ??C
Package16-lead QFN, 3 mm x 3 mm x 0.9 mm
Power Consumption100 ??A typical at 100 Hz ODR
Embedded FeaturesFree-fall detection, wake-up, single/double-tap recognition

AIS3624DQTR Key Features

  • Multi-axis sensing: Offers precise 3-axis acceleration measurement enabling accurate motion tracking and orientation detection in compact devices.
  • Wide selectable full-scale range: Allows adaptation to diverse application needs, from low-g motion sensing to high-g shock detection, improving measurement flexibility.
  • Low power operation: Supports extended battery life in portable and wearable systems by maintaining ultra-low current consumption during continuous monitoring.
  • Integrated motion detection algorithms: Hardware-based free-fall, wake-up, and tap detection reduce host processor load and enable immediate response to motion events.
  • Digital communication interfaces: I2C and SPI compatibility ensures easy integration with microcontrollers and reduces system complexity.
  • Compact QFN package: Facilitates space-saving PCB designs without compromising thermal dissipation or mechanical robustness.
  • Wide operating temperature range: Reliability in harsh industrial environments ensures consistent performance across temperature extremes.

Typical Applications

  • Industrial machinery monitoring and predictive maintenance systems use the device for vibration analysis and motion detection to prevent equipment failures and optimize performance.
  • Wearable fitness trackers and smartwatches rely on its accurate acceleration sensing for activity recognition and gesture control.
  • Consumer electronics implement this accelerometer for screen orientation, free-fall detection, and tap detection functionalities enhancing user experience.
  • Automotive systems employ it for crash detection, airbag triggering, and dynamic stability control requiring fast and reliable acceleration data.

AIS3624DQTR Advantages vs Typical Alternatives

This accelerometer stands out due to its combination of low noise density and selectable dynamic range, delivering precise measurements for both subtle and high-impact motions. Its low power consumption makes it ideal for battery-operated systems, while integrated motion detection features reduce host processor workload, enhancing system efficiency. The compact QFN package enables easy integration into space-constrained designs, all of which provide advantages over typical analog or less integrated digital accelerometers.

AIS3624DQTR Brand Info

The AIS3624DQTR is produced by STMicroelectronics, a global leader in semiconductor solutions known for innovation in MEMS sensors. This product is part of ST??s advanced inertial sensor portfolio, designed to meet demanding industrial and consumer applications. STMicroelectronics emphasizes high reliability, precision, and power efficiency, backed by extensive application support and development tools to accelerate time-to-market for embedded motion sensing solutions.

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