Programmable Digital Vibration Sensor

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Replacement Parts

Rochester Electronics and Arrow Supply Assurance have partnered with Analog Devices to source products that have been previously discontinued or have become obsolete.


The ADIS16220 iSensor® is a digital vibration sensor that combines industry-leading iMEMS® sensing technology with a signal processor that provides a convenient user interface, optimizes power dissipation, and manages user operational controls. The 22 kHz sensor bandwidth and 100 kHz sample rate provide adequate response for most machine health applications and an averaging/decimating filter provides optimization for lower bandwidth applications.

An internal clock drives the data sampling system, which supports three different data collection modes. The automatic data collection allow for periodic wake-up and capture, based on a programmable duty cycle. The manual data capture mode requires user input to update the data buffers, providing power/read-rate optimization. The event capture mode continuously updates the buffers and monitors them for a preset trigger condition, which preserves pre/post event data. A common serial interface (SPI) and data buffer structure manage user access to sensor data. Three 1024 buffers capture data for user-driven reads over the SPI, which reduces the bit rate requirements on the port.

The ADIS16220 also offers a digital temperature sensor, digital power supply measurements, peak output tracking, and a programmable condition monitoring function, which produces an alarm indicator signal for driving system level interrupts. Two auxiliary analog-to-digital input channels provide interface to additional analog output accelerometers, which simplifies the process of developing a tri-axis sensing system.

The ADIS16220 comes in a 9.2 mm × 9.2 mm × 3.9 mm LGA package that meets the Pb-free solder reflow profile requirements per JEDEC J-STD-020 and supports an extended operating temperature range of −40°C to +125°C.

    Vibration analysis
    Condition monitoring
    Machine health
    Instrumentation, diagnostics
    Safety, shut-off sensing
    Security sensing, tamper detection