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ADXL312 - Digital Accelerometer

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General Description

The ADXL3121 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement up to ±12 g.

Digital output data is formatted as 16-bit twos complement and is accessible through either a serial port interface (SPI) (3- or 4-wire) or I2C digital interface.

The ADXL312 is well suited for car alarm or black box applications.

Overview

Data Sheet ADXL312 3-Axis, ±1.5 g/±3 g/±6/ g/±12 g Digital Accelerometer.

Key Features

  • Ultralow power: as low as 57 µA in measurement mode and 0.1 µA in standby mode at VS = 3.3 V (typical).
  • Power consumption scales automatically with bandwidth.
  • User-selectable resolution.
  • Fixed 10-bit resolution.
  • Full resolution, where resolution increases with g range, up to 13-bit resolution at ±12 g (maintaining 2.9 mg/LSB scale factor in all g ranges).
  • Embedded FIFO technology minimizes host processor load.
  • Built-in motion detection functions for activity/i.

More Datasheets from Analog Devices

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ADXL311 Low Cost Ultracompact 2 g Dual-Axis Accelerometer
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ADXL322 Small and Thin +-2 g Accelerometer
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