The AIS2DW12 is an ultra-low-power three-axis linear accelerometer which leverages on the robust and mature manufacturing processes already used for the production of micromachined accelerometers and designed to address nonsafety automotive applications.
The AIS2DW12 has four different ultra-low-power modes, two user-selectable full scales (±2g/±4g) and is capable of measuring accelerations with output data rates from 1.6 Hz to 100 Hz.
The AIS2DW12 has an integrated 32-level first-in, first-out (FIFO) buffer allowing the user to store data in order to limit intervention by the host processor. The embedded self-test capability allows the user to check the functioning of the sensor in the final application.
The AIS2DW12 has a dedicated internal engine to process motion and acceleration detection including free-fall, motion and no-motion, wakeup, activity/inactivity and 6D/4D orientation.
The AIS2DW12 is available in a small thin plastic land grid array package (LGA) and it is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.

Applications
 Car key applications
 Inclination / orientation detection
 Motion-activated functions
 Gesture recognition
 Free-fall detection
 Smart power saving

 AEC-Q100 qualified
 Supply voltage, 1.62 V to 3.6 V
 Independent IO supply and supply voltage compatible
 Ultra-low-power mode consumption down to 380 nA @1.6 Hz
 ±2g/±4g dynamically selectable full scales
 High-speed I²C/SPI digital output interface
 2 independent programmable interrupts
 Single data conversion on demand
 16-bit data output
 Embedded temperature sensor
 Self-test
 32-level embedded FIFO
 10000 g high shock survivability
 ECOPACK, RoHS and “Green” compliant

 AIS2DW12 - MEMS digital output motion sensor: ultra-low-power 3-axis accelerometer for automotive applications - STMicroelectronics