ADXL345-3 Axis Digital Acceleration, Gravity and Tilt Sensor Module in Pakistan

  • Supply voltage range: 2.0 V to 3.6 V Ultralow power: as low as 23 μA in measurement mode and 0.1 μA in standby mode at V S = 2.5 V (typical
  • Fixed 10-bit resolution Full resolution, where resolution increases with g range, up to 13-bit resolution at ±16 g (maintaining 4 m g /LSB scale factor in all g ranges )
  • Embedded memory management system with FIFO technology minimizes host processor load Single tap/double tap detection Activity/inactivity monitoring Free-fall detection
  • SPI (3- and 4-wire) and I 2 C digital interfaces Flexible interrupt modes mappable to either interrupt pi n
  • Wide temperature range (-40°C to +85°C) 10,000 g shock survival




THE ADXL345 is a small, slim, low-power three-axis accelerometer, on high Up to ± 16 g acceleration for high resolution (13 digits) measurement. Number of digital outputs According to the 16-bit binary complement format, Via SPI (3-wire or 4-wire), or access I2C digital interface.ADXL345 ADXL345 is a small, thin, ultralow power, 3-axis accelerom eter with high resolution (13-bit) measurement at up to ±16 g . Digital output data is formatted as 16-bit twos complement and is acces- sible through either a SPI (3- or 4-wire) or I 2 C digital interface. The ADXL345 is well suited for mobile device applications. It measures the static acceleration of gravity in tilt -sensing appli- cations, as well as dynamic acceleration resulting from motion or shock. Its high resolution (3.9 m g /LSB) enables measurement of inclination changes less than 1.0°. Several special sensing functions are provided. Activity a nd inactivity sensing detect the presence or lack of m otion by comparing the acceleration on any axis with user-se t thresholds. Tap sensing detects single and double taps in any d irection. Free- fall sensing detects if the device is falling. These functi ons can be mapped individually to either of two interrupt o utput pins. An integrated memory management system with a 32-le vel first in, first out (FIFO) buffer can be used to store data t o minimize host processor activity and lower overall system power c onsumption. Low power modes enable intelligent motion-based pow er management with threshold sensing and active acceler ation measurement at extremely low power dissipation.

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