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ADXL345 3-Axis Digital Accelerometer Module, I2C interface

ADXL345 3-Axis Digital Accelerometer Module, I2C interface

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SKU: 26241 Category:

The ADXL345 is a small, thin, low 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 acces-sible 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 appli-cations, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0.

Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion and if the acceleration on any axis exceeds a user-set level. Tap sensing detects single and double taps. Free-fall sensing detects if the device is falling. These functions can be mapped to one of two interrupt output pins. An integrated, patent pending 32-level first in, first out (FIFO) buffer can be used to store data to minimize host processor intervention.

Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation.

Arduino libraries, for example, are available from companies like Adafruit or Sparkfun.

Ultralow power 40A in measurement mode
Ultralow power 0.1A in standby mode (at VS = 2.5 V)
Power consumption scales with bandwidth
User-selectable resolution
Embedded FIFO technology minimizes host processor load
Tap/double tap detection
Activity/inactivity monitoring
Free-fall detection
Supply voltage range: 2.0 V to 3.6 V
I/O voltage range: 1.7 V to VS
SPI or I2C digital interfaces
Flexible interrupt modes mappable to either interrupt pin
Measurement ranges selectable via serial command
Bandwidth selectable via serial command
Wide temperature range (40C to +85C)
10,000 g shock survival
21 x 15.5 x 3.5mm
8-pin male header included

Data Sheet Analog Devices ADXL345

Specification: ADXL345 3-Axis Digital Accelerometer Module, I2C interface







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ADXL345 3-Axis Digital Accelerometer Module, I2C interface
ADXL345 3-Axis Digital Accelerometer Module, I2C interface


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