Digital Tri-Axial Vibration Sensor
Description
Data Sheet
FEATURES
Frequency domain triaxial vibration sensor Digital acceleration data, ± 70 g measurement range Digital range settings: 1 g, 5 g, 20 g, 70 g Sample rate: 100.
2 kHz, 4 decimation filter settings FFT, 512 point, real valued, all three axes (x, y, z) Windowing options: rectangular, Hanning, flat top Programmable FFT averaging, up to 256 averages Storage, 16 FFT records on all three axes (x, y, z) Programmable alarms, 6 spectral bands 2-level settings for warning and fault definition Adjustable response delay to reduce false alarms Trigger modes: SPI command, timer, external trigger Multirecord capture for selected filter settings Manual capture mode for time-domain data collection Internal self-test with status flags Digital temperature and power supply measurements 2 auxiliary digital I/Os SPI-compatible serial interface Serial number and device ID Single-supply operation: 3.
15 V to 3.
6 V Operating temperature range: −40°C to +125°C 15 mm × 15 mm × 15 mm aluminum package, flex connector
Digital Triaxial Vibration Sensor with FFT Analysis and Storage ADIS16227
GENERAL DESCRIPTION
The ADIS16227 iSensor® is a complete vibration sensing system that combines wide bandwidth, triaxial acceleration sensing with advanced time domain and frequency domain signal processing.
Time domain signal processing includes a programmable decimation filter and selectable windowing function.
Frequency domain processing includes a 512 point, real-valued FFT for each axis, along with FFT averaging, which reduces the noise floor variation for finer resolution.
The 16-record FFT storage system offers users the ability to track changes over time and to capture FFTs with multiple decimation filter settings.
The 22 kHz sensor resonance and 100.
2 kSPS sample rate provide a frequency response that is suitable for machine-health applications.
The aluminum core provides excellent mechanical coupling to the MEMS acceleration sensors.
An internal clock drives the data sampling and sig...
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