ADXL345BCCZ

Product Summary

The ADXL345BCCZ is a small, thin, low power, three-axis accelerometer with high resolution (13-bit) measurement up to ±16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. The ADXL345BCCZ is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4mg/LSB) enables resolution of inclination changes of as little as 0.25°. Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion and if the acceleration on any axis exceeds a user-set level. Tap sensing detects single and double taps. Free-Fall sensing detects if the device is falling. These functions of the ADXL345BCCZ can be mapped to interrupt output pins. An integrated 32 level FIFO can be used to store data to minimize host processor intervention.

Parametrics

ADXL345BCCZ absolute maximum ratings: (1)Acceleration (Any Axis, Unpowered) 10,000 g; (2)Acceleration (Any Axis, Powered) 10,000 g; (3)VS -0.3 V to 3.6 V; (4)VDD I/O -0.3 V to 3.6; (5)All Other Pins -0.3 V to 3.6; (6)Output Short-Circuit Duration(Any Pin to Ground)Indefinite; (7)Temperature Range (Powered) -40℃ to +105℃; (8)Temperature Range (Storage) -40℃ to +105℃.

Features

ADXL345BCCZ features: (1)Ultra low power: 25 to 130 μA at VS = 2.5 V (typ); (2)Power consumption scales automatically with bandwidth; (3)User selectable fixed 10-bit resolution or 4mg/LSB scale; (4)Supply and I/O voltage range: 1.8 V to 3.6 V; (5)SPI (3 and 4 wire) and I2C digital interfaces; (6)Flexible interrupt modes – Any interrupt mappable to either interrupt pin; (7)Measurement ranges selectable via serial command; (8)Bandwidth selectable via serial command; (9)Wide temperature range (-40 to +85℃); (10)10,000 g shock survival; (11)Pb free/RoHS compliant; (12)Small and thin: 3 × 5 × 1 mm LGA package.

Diagrams