Analog Devices' ADXL314 digital output data can be accessed through SPI, 3 - or 4-wire, or I2C digital interfaces

ADI's ADXL314 is a ±200 g range, 13-bit resolution 3-axis digital accelerometer. The digital output data is in 16-bit binary complement data format and is available via the serial peripheral interface (SPI), 3-wire or 4-wire, or I2C digital interface.

An integrated memory management system with a 32-stage first-in-first-out (FIFO) buffer stores data to minimize host processor activity and reduce overall system power consumption. Low power mode enables motion-based intelligent power management at low power consumption, with threshold sensing and active acceleration measurement, VS = 2.5V @100 Hz output data rate (ODR) typical current 65μA.

The EVAL-ADXL314Z is a simple evaluation board that quickly evaluates the performance of the ADXL314 three-axis digital accelerometer. The EVAL-ADXL314Z is well suited for evaluating the ADXL314 in existing systems because the stiffness and small size of the EVAL-ADXL314Z minimizes the impact of the circuit board on the system and acceleration measurements.

The EVAL-ADXL314-SDP is an easy-to-use customer evaluation system that allows users to quickly begin testing and evaluating the ADXL314 accelerometer. The system is composed of main board (EVAL-SDP-CB1Z evaluation platform), interface board (EVAL-SDP-INTERZ) and satellite board (EVAL-ADXL314Z splinter board)

Features

● ±200 g measuring range
● Low power: 170μA in measurement mode and 17μA (typical) in standby mode, VS = 2.5V
● The user can select a maximum bandwidth of 3200 Hz ODR
● Fixed 13-bit output resolution
● Power supply voltage range: 2.0V to 3.6V
● The embedded memory management system using FIFO technology can minimize the load of host processor
● Impact event detection
● Active/inactive monitoring
● SPI, 3 or 4 wire, and I2C digital interface
● Wide temperature range: -40°C to +125°C
● Can withstand 10,000 g impact
● Lead-free and RoHs compliant
● Small and thin: 32 pins, 5 mm x 5 mm x 1.45 mm LFCSP
● Passed AEC-Q100 certification for automotive applications

Applications

● Tire and battery pack monitoring
● High impact event detection
● Automotive: Smart tire, EDR, battery pack monitoring and event data recorder