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參數(shù)資料
| 型號： | MXD2002B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Cost, 【10 g Dual Axis Accelerometer with Digital Outputs |
| 中文描述： | 低成本，【10克雙軸加速度計的數(shù)字輸出 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 378K |
| 代理商： | MXD2002B |
MXD2002A/B SPECIFICATIONS
(Measurements @ 25
°
C, Acceleration = 0 unless otherwise noted, V
DD
, V
DA
=
5.0V unless otherwise specified)
Parameter
Conditions
SENSOR INPUT
Measurement Range
1
Nonlinearity
Best fit straight line
Alignment Error
2
Transverse Sensitivity
3
SENSITIVITY
D
OUTX
and D
OUTY
@5.0V supply
MEMSIC MXD2002A/B Rev.E
Page 2 of
8
5/15/2004
Min
±
10
1.80
MXD2002A/B
Typ
Max
Units
g
% of FS
degrees
%
% Duty
Cycle/
g
Each Axis
1.0
±
1.0
±
2.0
2.00
2.0
2.20
Each Axis
Change over Temperature (uncompensated)
4
Change over Temperature (compensated)
4
ZERO
g
BIAS LEVEL
0
g
Offset
5
0
g
Duty Cycle
5
0
g
Offset over Temperature
from 25
°
C, at –40
°
C
from 25
°
C, at +105
°
C
from 25
°
C, –40
°
C to +105
°
C
Each Axis
+93
+0.70
51.4
%
%
%
g
-47
-0.70
48.6
<3.0
0.00
50
±
2.0
±
004
.0015
% Duty Cycle
m
g
/
°
C
% /
°
C
from 25
°
C
from 25
°
C, based on 2%/g
NOISE PERFORMANCE
Noise Density, % Duty Cycle
0.005
% Duty
Cycle/
Hz
FREQUENCY RESPONSE
3dB Bandwidth
TEMPERATURE OUTPUT
T
out
Voltage
Sensitivity
VOLTAGE REFERENCE
V
Ref
Change over Temperature
Current Drive Capability
SELF TEST
Continuous Voltage at D
OUTX
, D
OUTY
under
Failure
Continuous Voltage at D
OUTX
, D
OUTY
under
Failure
D
OUTX
and D
OUTY
OUTPUTS
Normal Output Range
30
1.25
5.0
2.5
0.1
5.0
2.7
Hz
V
1.15
4.6
2.4
0.1
0.1
90
2.7
3.0
3.0
-40
1.35
5.4
2.65
mV/
°
K
V
mV/
°
C
μ
A
V
V
V
V
μ
A
nSec
@2.7V-5.0V supply
Source
@5.0V Supply, output rails to
supply voltage
@2.7V Supply, output rails to
supply voltage
Digital Signal of 100 Hz or 400Hz
@5.0V Supply
@2.7V Supply
Source or sink, @ 2.7V-5.0V supply
2.7 to 5.0V Supply
100
4.9
2.6
110
Current
Rise/Fall Time
100
100
4.2
5.4
POWER SUPPLY
Operating Voltage Range
Supply Current
Supply Current
6,7
TEMPERATURE RANGE
Operating Range
NOTES
1
Guaranteed by measurement of initial offset and sensitivity.
2
Alignment error is specified as the angle between the true and indicated
axis of sensitivity.
3
Transverse sensitivity is the algebraic sum of the alignment and the
inherent sensitivity errors
4
The sensitivity change over temperature for thermal accelerometers is
based on variations in heat transfer that are governed by the laws of
physics and it is highly consistent from device to device. Please refer to
the section in this data sheet titled “Compensation for the Change of
Sensitivity over Temperature” for more information.
5.25
4.9
6
+105
V
mA
mA
°
C
@ 5.0V
@ 2.7V
5
The device operates over a 2.7V to 5.25V supply range. Please note that
sensitivity and zero
g
bias level will be slightly different at 2.7V operation.
For devices to be operated at 2.7V/3.0V in production, they can be
trimmed at the factory specifically for this lower supply voltage operation,
in which case the sensitivity and zero
g
bias level specifications on this
page will be met. Please contact the factory for specially trimmed devices
for low supply voltage operation.
6
Note that the accelerometer has a constant heater power control circuit
thereby displaying higher supply current at lower operating voltage.
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