ADXL322

www.DataSheet4U.com Small and Thin ±2 g Accelerometer ADXL322 FEATURES Small and thin 4 mm × 4 mm × 1.45 mm LFCSP package 2 mg resolution at 60 Hz Wide supply voltage range: 2.4 V to 6 V Low power: 340 μA at VS = 2.4 V (typ) Good zero g bias stability Good sensitivity accuracy X-axis and Y-axis aligned to within 0.1° (typ) BW adjustment with a single capacitor Single-supply operation 10,000 g shock survival Pb Free: Compatible with Sn/Pb and Pb-free solder processes GENERAL DESCRIPTION The ADXL322 is a small, thin, low power, complete, dual-axis accelerometer with signal conditioned voltage outputs, which are all on a single monolithic IC. The product measures acceleration with a full-scale range of ±2 g (typical). It can also measure both dynamic acceleration (vibration) and static acceleration (gravity). The ADXL322’s typical noise floor is 220 μg/√Hz, which allows signals below 2 mg to be resolved in tilt-sensing applications using narrow bandwidths (<60 Hz). The user selects the bandwidth of the accelerometer using capacitors CX and CY at the XOUT and YOUT pins. Bandwidths of 0.5 Hz to 2.5 kHz can be selected to suit the application. The ADXL322 is available in a 4 mm × 4 mm × 1.45 mm, 16-lead, plastic LFCSP. APPLICATIONS Cost-sensitive motion- and tilt-sensing applications Smart hand-held devices Mobile phones Sports and health-related devices PC security and PC peripherals FUNCTIONAL BLOCK DIAGRAM +3V VS ADXL322 CDC AC AMP SENSOR RFILT 32kΩ COM ST RFILT 32kΩ YOUT C...