DESCRIPTION

· The ADXL345 is a compact, low-power, 3-axis accelerometer with high-resolution measurement up to ±16g.

· It features digital output accessible via SPI or I2C interfaces, suitable for mobile devices.

· Capable of measuring static gravity acceleration and dynamic motion or shock acceleration.

· Includes special functions like activity/inactivity sensing, tap detection, and free-fall detection.

· Equipped with a 32-level FIFO buffer to minimize host processor load.

FEATURES

· Ultra-low power consumption: 23 µA in measurement mode, 0.1 µA in standby mode at 2.5V.

· User-selectable resolution with up to 13-bit at ±16g.

· Supply voltage range: 2.0V to 3.6V; I/O voltage range: 1.7V to VS.

· SPI and I2C digital interfaces; flexible interrupt modes.

· Operates in a wide temperature range from -40°C to +85°C.

APPLICATIONS

· Handsets and medical instrumentation.

· Gaming and pointing devices.

· Industrial instrumentation and personal navigation devices.

· Hard disk drive (HDD) protection.