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The ADXL05 is a complete acceleration measurement system on a single monolithic IC. The ADXL05 will measure accelerations with full-scale ranges of ±5 g to ±1 g or less. Typical noisefloor is 500 mg/ÖHz, (12´ less than the ADXL50), allowing signals below 5 milli-g to be resolved. The ADXL05 is a force balanced capacitive accelerometer with the capability to measure both ac accelerations (typical of vibration) or dc accelerations (such as inertial force or gravity). Three external capacitors and a +5 volt regulated power supply are all that is required to measure accelerations up to ±5 g. Three resistors are used to configure the output buffer amplifier to set scale factors from 200 mV/g to 1 V/g. External capacitors may be added to the resistor network to provide 1 or 2 poles of filtering. No additional active components are required to interface directly to most analog to digital converters (ADCs).
The device features a TTL compatible self-test function that can electrostatically deflect the sensor beam at any time to verify that the sensor and its electronics are functioning correctly.
The ADXL05 is available in a hermetic 10-pin TO-100 metal can, specified over the 0°C to +70°C commercial, and 40°C to +85°C industrial temperature ranges. Contact factory for availability of automotive grade devices.
·5 milli-g Resolution ·Noise Level 123 Less than the ADXL50 ·User Selectable Full Scale from 61 g to 65 g ·Output Scale Selectable from 200 mV/g to 1 V/g ·Complete Acceleration Measurement System on a ·Single Chip IC ·Self Test on Digital Command ·+5 V Single Supply Operation ·1000 g Shock Survival
ADXL05 Typical Application
·Low Cost Sensor for Vibration Measurement ·Tilt Sensing with Faster Response than Electrolytic or ·Mercury Sensors ·More Sensitive Alarms and Motion Detectors ·Affordable Inertial Sensing of Velocity and Position