Unlike accelerometers that use power duty cycling to achieve low power consumption, the ADXL367 does not alias input signals by under-sampling, but samples the full bandwidth of the sensor at all data rates.
The accelerometer always provides 14-bit output resolution and 8-bit formatted data is offered for more efficient single-byte transfers when a lower resolution is sufficient. 12-bit formatted data is also provided for ADXL362 design compatibility. Measurement ranges of ±2 g, ±4 g, and ±8 g are available, with a resolution of 0,25 mg/LSB on the ±2 g range.
The ADXL367 has many features to enable true system-level power reduction. It includes a deep multimode first in, first out (FIFO) output, a built-in micropower temperature sensor, an internal analog-to-digital converter (ADC) for synchronous conversion of an additional analog input with interrupt capability, single-tap and double-tap detection that can operate at any output data rate with only an added 35 nA of current, and a state machine to prevent false triggering. In addition, the ADXL367 has provisions for external control of the sampling time and/or an external clock.
The ADXL367 operates on a wide 1,1 to 3,6 V supply range, and is available in a 2,2 x 2,3 x 0,87 mm package.
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