CMA3000-D0X VTI Hamlin, CMA3000-D0X Datasheet - Page 30
CMA3000-D0X
Manufacturer Part Number
CMA3000-D0X
Description
Cma3000-d0x Series 3-axis Accelerometer
Manufacturer
VTI Hamlin
Datasheet
1.CMA3000-D0X.pdf
(35 pages)
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8.7 Turn-on time
VTI Technologies Oy
www.vti.fi
Equation 10
where S
acceleration [Count/g] and S
Cross-axis sensitivity of CMA3000 family is measured in centrifuge over specified measurement
range during qualification. Correct mounting position of component is important during the
measurement of cross-axis sensitivity.
Turn-on time is the time when the last of one X, Y, Z axis output readings stabilizes into its final
value after XRESET is pulled high. The final value limits in turn-on time measurements is defined to
be ±1 % of the sensor’s full scale measuring range (for example for CMA3000-D01 ±2g →
FS = 2 g). Turn-on time definition for Z-axis is presented in Figure 23 below.
Cross
Acceleration
Figure 23. Turn-on time definition for one axis.
CMA3000
Z-axis output
Turn on time
Z
ZX
=
±
is Z-axis sensitivity to X-axis acceleration [Count/g], S
S
ZX
2
S
+
Z
S
ZY
Doc.Nr. 8281000.12
2
⋅
Z
100
is sensitivity of Z-axis [Count/g].
%,
Time scale
Supply voltage reaches th
minimum required level
→ CMA3000 starts
CMA3000 output
inside ±1% FS
limits
ZY
is Z-axis sensitivity to Y-axis
CMA3000-D0X Series
e
Rev. 0.12
30/ 35
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