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ADXL312 - Digital Accelerometer

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.

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.

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Datasheet preview – ADXL312

Datasheet Details

Part number ADXL312
Manufacturer Analog Devices
File Size 1.05 MB
Description Digital Accelerometer
Datasheet download datasheet ADXL312 Datasheet
Additional preview pages of the ADXL312 datasheet.

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Full PDF Text Transcription

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Data Sheet ADXL312 3-Axis, ±1.5 g/±3 g/±6/ g/±12 g Digital Accelerometer 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/inactivity monitoring ► Supply and I/O voltage range: 2.0 V to 3.
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