SCA3000-E01

SCA3000-E01 Data Sheet SCA3000-E01 3-AXIS ULTRA LOW POWER ACCELEROMETER WITH DIGITAL SPI INTERFACE Features • • • • • • 2.35 V – 3.6 V supply voltage, 1.7 – 3.6 V digital I/O voltage ±3 g measurement range SPI digital interface Selectable frequency response Ultra low power consumption (2.5 V, 120 µA typ) 64 samples/axis buffer memory for output acceleration data and advanced features enable significant power and resource savings at system level Interrupt signal triggered by motion and free fall Size 7x7x1.8 mm Proven capacitive 3D-MEMS technology High shock durability RoHS compliant / lead free soldering Applications SCA3000-E01 is targeted to battery operated wrist and hand-held devices. Typical applications are but not limited • Motion activated functions in mobile terminals and antitheft systems • Gaming input devices • Inclination sensing in digital inclinometers • Tilt compensation in electronic compass • Hard disk protection • Pedometers and activity monitors • • • • • C/V Analog calibration & ADC DEMUX 1:3 Low-pass Filter Low-pass Filter Low-pass Filter Decimation Decimation Coordinate Mapping and Calibration SCK SPI i/f MISO MOSI CSB Decimation Oscillator & clock Reference Non-Volatile Memory Motion detector Free fall detector Ring Buffer Control & INT INT Figure 1 SCA3000-E01 Block Diagram VTI Technologies Oy www.vti.fi PRELIMINARY - Subject to changes Doc. Nr. 8255900A.01 1/4 Rev. A.01 SCA3000-E01 Performance Characteristics 1) Parameter Analog and digital Vdd Digital I/O Vdd Operating temperature ** Current consumption * Condition Typical supply range 2.35 – 2.7 V Min Typ 2) Max 2.35 1.7 -40 -3 -40 -1 2.5 1.8 / 2.5