ADXL372

Data Sheet ADXL372 Micropower, 3-Axis, ±200 g Digital Output, MEMS Accelerometer FEATURES ► ±200 g measurement range ► 200 Hz to 3200 Hz user selectable bandwidth with 4-pole antia- liasing filter ► Selectable oversampling ratio ► Adjustable high-pass filter ► Ultralow power ► Power can be derived from a coin cell battery ► 22 µA at 3200 Hz ODR, 2.5 V supply ► Low power, wake-up mode for low g activity detection ► 1.4 µA instant on mode with adjustable threshold ► <0.1 µA standby mode ► Built in features for system level power savings ► Autonomous interrupt processing without processor interven- tion ► Deep embedded FIFO to minimize host processor load ► Ultralow power event monitoring detects impacts and wakes up fast enough to capture the transient events ► Ability to capture and store peak acceleration values of events ► Adjustable, low g threshold activity and inactivity detection ► Wide supply range: 1.6 V to 3.5 V ► Acceleration sample synchronization via external trigger ► SPI digital interface and limited I2C interface format support ► 12-bit output at 100 mg/LSB scale factor ► Wide temperature range: −40°C to +105°C ► Small, thin, 3 mm × 3.25 mm × 1.06 mm package APPLICATIONS ► Impact and shock detection ► Asset health assessment ► Portable Internet of Things (IoT) edge nodes ► Concussion and head trauma detection FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION The ADXL372 is an ultralow power, 3-axis, ±200 g MEMS accelerometer that consumes 22 µA at a 3200 Hz output ...