Overview

Features and Benefits

  • ±200 g measurement range
  • Low power: 170 μA in measurement mode and 17 μA in standby mode at VS = 2.5 V (typical)
  • User selectable bandwidth up to 3200 Hz ODR
  • Fixed 13-bit output resolution
  • Supply voltage range: 2.0 V to 3.6 V
  • Embedded memory management system with FIFO technology minimizes host processor load
  • Shock event detection
  • Activity/inactivity monitoring
  • SPI (3- or 4-wire) and I2C digital interfaces
  • Wide temperature range: −40 to +125°C
  • 10,000 g shock survival
  • Pb free and RoHS compliant
  • Small and thin: 32-lead, 5 mm × 5 mm × 1.45 mm LFCSP
  • AEC-Q100 qualified for automotive applications

Product Details

The ADXL314 is a ±200 g range, 13-bit resolution, 3-axis digital accelerometer. The digital output data is formatted as 16-bit, twos complement data and is accessible through a serial peripheral interface (SPI), 3-wire or 4-wire, or an I2C digital interface.

An integrated memory management system with a 32 level, first in, first out (FIFO) buffer can store data to minimize host processor activity and lower overall system power consumption.

Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at low power dissipation, typically 65 μA for VS = 2.5 V at a 100 Hz output data rate (ODR).

The ADXL314 is supplied in a small, thin 5 mm × 5 mm × 1.45 mm, 32-lead LFCSP.

APPLICATIONS

  • Tire and battery pack monitoring
  • High force event detection

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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.