SCA3100-D01 Datasheet, PDF (2/3 Pages) VTI technologies – 3-AXIS ACCELEROMETER WITH DIGITAL SPI INTERFACE

SCA3100-D01
VTI Automotive Digital Accelerometer Platform
Performance Characteristics
Vdd=3.3 V and ambient temperature unless otherwise specified.
Parameter
Condition
Analog and digital Vdd
Current consumption
Measurement range
Operating temperature
Offset total error ^A)
Offset temperature drift ^B)
Sensitivity
Total sensitivity error
Linearity error
Cross-Axis sensitivity
Zero acceleration output
Amplitude response ^C)
Noise
Power on setup time
Output data rate
Output load
SPI clock rate
ESD protection
Moisture sensitivity level
Mechanical shock
Active mode
Power down mode
Measurement axes (XYZ)
Temperature range -40 ... +125 °C
Temperature range -40 ... +125 °C
12 bit output
+1g ... -1g range
2-complement
-3dB frequency
Human Body Model
Charge Device Model
IPC/JEDEC J-STD-020C, Level 3
Min
3.0
-2
-40
-100
-70
-4
-20
30
Typ
3
0.12
900
0
2000
Max
3.6
5
2
125
100
70
4
20
±3.5
55
5
0.1
50
8
2
1
Units
V
mA
mA
g
°C
mg
mg
Count/g
% FS
mg
%
Counts
Hz
mg RMS
s
Hz
pF
MHz
kV
kV
20 000
g
A)
Includes offset deviation from 0g value including calibration error and drift over lifetime, temperature and
supply voltage.
B)
Offset drift due to temperature. Value is a relative value and has not to be centered to zero.
C)
See figure 4.
Oscillator
&
clock
Analog
C/V
calibration
& ADC
Reference
Non-
Volatile
Memory
DE-
MUX
1:4
Lowpass
Filter
Lowpass
Filter
Decimation
Decimation
Coordinate
Mapping
and
Calibration
Lowpass Decimation
Filter
Lowpass Decimation
Filter
Temperature Continuous Start-up
sensor
self test self test
SCK
SPI ^MISO
i/f
MOSI
CSB
Figure 1. SCA3100-D01 Block diagram
VTI Technologies Oy
www.vti.fi
PRELIMINARY- Subject to changes
Doc. Nr. 82 687 00 A
2/3
Rev.A