Ultralow Power 3-Axis Accelerometer with High Resolution 13-bit Measurement
The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. The ADXL345 is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing applications , as well as dynamic acceleration resulting from motion or shock. Its high resolution (3.9 mg/LSB) enables measurement of inclination changes less than 1.0°.
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Power consumption scales automatically with bandwidth
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User-selectable resolution
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Patent pending, embedded memory management system with FIFO technology minimises host processor load
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Single tap/double tap detection
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Activity/inactivity monitoring
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Free-fall detection
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SPI (3- and 4-wire) and I2C digital interfaces
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Flexible interrupt modes map able to either interrupt pin
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Measurement ranges selectable via serial command
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10,000 g shock survival
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Bandwidth selectable via serial command
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Consumer Electronics
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Sensing & Instrumentation
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Medical
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Industrial