SCA2110-D03
VTI Automotive Digital Accelerometer Platform
Performance Characteristics
Vdd=3.3 V and ambient temperature unless otherwise specified.
Parameter
Condition
Min
3.0
Active mode
Power down mode
Measurement axes (XZ)
Temperature range -40 ... +125 °C
Temperature range -40 ... +125 °C
12 bit output
+1g ... -1g range
2-complement
-3dB frequency
Typ
3
0.12
-2
-40
-100
-70
900
-4
-20
0
30
55
5
0.1
2000
50
8
2
1
20 000
4
20
±3.5
Max
3.6
5
2
125
100
70
Units
V
mA
mA
g
°C
mg
mg
Count/g
% FS
mg
%
Counts
Hz
mg RMS
s
Hz
pF
MHz
kV
kV
g
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
A)
Human Body Model
Charge Device Model
IPC/JEDEC J-STD-020C, Level 3
B)
C)
Includes offset deviation from 0g value including calibration error and drift over lifetime, temperature and
supply voltage.
Offset drift due to temperature. Value is a relative value and has not to be centered to zero.
See figure 4.
C/V
Analog
calibration
& ADC
DE-
MUX
1:4
Lowpass
Filter
Lowpass
Filter
Lowpass
Filter
Lowpass
Filter
Decimation
Decimation
Coordinate
Mapping
and
Calibration
SCK
SPI
i/f
MISO
MOSI
CSB
Decimation
Decimation
Oscillator
&
clock
Reference
Non-
Volatile
Memory
Temperature
sensor
Continuous
self test
Start-up
self test
Figure 1.
SCA2110-D03 Block diagram
VTI Technologies Oy
www.vti.fi
PRELIMINARY- Subject to changes
Doc. Nr. 82 683 00 A
2/3
Rev.A
VTI [ VTI TECHNOLOGIES ]
