SCA3000-E01 Datasheet, PDF (1/4 Pages) VTI technologies – 3-AXIS ULTRA LOW POWER ACCELEROMETER WITH DIGITAL SPI INTERFACE

Data Sheet
SCA3000-E01
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
Low-pass
Decimation
Coordinate
SCK
Analog
Filter
Mapping
C/V
calibration
DE-
and
SPI MISO
&
ADC
MUX
1:3
Low-pass
Filter
Decimation
Calibration
i/f
MOSI
Low-pass
Decimation
CSB
Filter
Oscillator
&
clock
Reference
Non-Volatile
Memory
Figure 1 SCA3000-E01 Block Diagram
Motion
detector
Free fall
detector
Ring
Buffer
Control INT
&
INT
VTI Technologies Oy
www.vti.fi
PRELIMINARY - Subject to changes
Doc. Nr. 8255900A.01
1/4
Rev. A.01