Ultra-low noise 3-axis accelerometer that can also be used to monitor aging infrastructure
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This article introduces the 3-axis acceleration sensor (ADXL354 / ADXL355) provided by Analog Devices.

The ADXL354/5 has many features such as ultra-low noise, low drift, and low power consumption, making it especially suitable for applications that require high-precision measurement.

振動を高精度で計測するアプリケーション

The ADXL354/5 can measure vibrations with high resolution and ultra-low noise, so when installed on structures such as bridges and buildings, it can also be used as an aging infrastructure monitoring system to detect structural defects at an early stage. In addition, the low power consumption feature contributes to significantly extending the operating time of systems that operate on batteries.

傾きを高精度で計測するアプリケーション

In addition to infrastructure aging monitoring systems, the excellent tilt stability provides excellent repeatability over temperature and time, and unmanned aerial vehicle (UAV) orientation and navigation systems using inertial measurement units (IMUs) and inclinometers. It can also be used for The ADXL354/5 provides reproducible tilt measurements under all conditions, eliminating the need for frequent calibration and minimizing errors even in harsh environments.

信頼性が重視されるアプリケーション

ADXL354/5は温度ドリフトを低く抑えているため、製品出荷時のキャリブレーションやテスト作業に伴うリソースや経費を最小限に抑えることができます。さらに、ハーメチック・パッケージを採用しているため、製品出荷後も長期にわたり仕様に適合した精度や安定性を保つことができます。

※ADXL354/5は、それぞれADXL354(アナログ出力)、ADXL355(デジタル出力)のインターフェースを持っています。

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Main functions and features

  • 低ドリフト:0.15mg/℃
  • 超低ノイズ密度:20μg/√Hz (ADXL354)、25μg/√Hz (ADXL355)
  • 低消費電力:測定モード  150μA (ADXL354)、200μA(ADXL355)
          待機モード 21μA (ADXL354 / 355)

Application example

  • 慣性計測ユニット (IMU) / 姿勢方位基準装置 (AHRS)
  • 構造ヘルスモニタリング
  • seismograph
  • 傾斜検知
  • Robot
  • Condition monitoring

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