器件名称: SCA3000-E04
功能描述: 3-AXIS ULTRA LOW POWER ACCELEROMETER WITH DIGITAL SPI INTERFACE
文件大小: 226.45KB 共4页
简 介:SCA3000-E04
Data Sheet
SCA3000-E04 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 ±6 g measurement range SPI digital interface Selectable frequency response Ultra low power consumption (2.5 V, 120 A 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-E04 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 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-E04 Block Diagram
VTI Technologies Oy www.vti.fi
PRELIMINARY - Subject to changes Doc. Nr. 8290500A
1/4 Rev. A
SCA3000-E04
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 ……
