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參數(shù)資料
| 型號： | MXA2500M |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Improved, Ultra Low Noise 【1.7 g Dual Axis Accelerometer with Absolute Outputs |
| 中文描述： | 改進(jìn)的，超低噪音【一點七克雙軸加速度計的絕對輸出 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 340K |
| 代理商： | MXA2500M |
MEMSIC MXA2500G/M Rev. E
Page 2 of 8
1/19/2005
MXA2500G/M SPECIFICATIONS (Measurements @ 25°C, Acceleration = 0 g unless otherwise noted; VDD, VDA = 5.0V unless
otherwise specified)
Parameter
Conditions
Min
MXA2500G
Typ
Max
Min
MXA2500M
Typ
Max
Units
SENSOR INPUT
Measurement Range1
Each Axis
±1.7
g
Nonlinearity
Best fit straight line
0.5
1.0
0.5
1.0
% of FS
Alignment Error2
X Sensor to Y Sensor
±1.0
degrees
Transverse Sensitivity3
±2.0
%
SENSITIVITY
Sensitivity, Analog Outputs at
pins
AOUTX and AOUTY
5
Each Axis
475
500
525
475
500
525
mV/g
Change over Temperature
-10
+8
-25
+8
%
ZERO g BIAS LEVEL
0 g Offset5
Each Axis
-0.1
0.0
+0.1
-0.1
0.0
+0.1
g
0 g Voltage5
1.20
1.25
1.30
1.20
1.25
1.30
V
0 g Offset over Temperature
Based on 500 mV/g
±1.5
±0.75
±1.5
±0.75
mg/
°C
mV/
°C
NOISE PERFORMANCE
Noise Density, rms
Without frequency
compensation
0.2
0.4
0.2
0.4
mg/ Hz
FREQUENCY RESPONSE
3dB Bandwidth - uncompensated
15
17
19
15
17
19
Hz
3dB Bandwidth – compensated4
>160
Hz
TEMPERATURE OUTPUT
Tout Voltage
1.15
1.25
1.35
1.15
1.25
1.35
V
Sensitivity
4.6
5.0
5.4
4.6
5.0
5.4
mV/
°K
VOLTAGE REFERENCE
VRef
@3.0V-5.25V supply
2.4
2.5
2.65
2.4
2.5
2.65
V
Change over Temperature
0.1
mV/
°C
Current Drive Capability
Source
100
A
SELF TEST
Continuous Voltage at AOUTX,
AOUTY under Failure
@5.0V Supply, output
rails to
supply voltage
5.0
V
Continuous Voltage at AOUTX,
AOUTY under Failure
@3.0V Supply, output
rails to
supply voltage
3.0
V
AOUTX and AOUTY OUTPUTS
Normal Output Range
@5.0V Supply
@3.0V Supply
0.1
4.9
2.9
0.1
4.9
2.9
V
Current
Source or sink, @
3.0V-5.25V supply
100
A
Turn-On Time6
@5.0V Supply
@3.0V Supply
300
160
300
mS
POWER SUPPLY
Operating Voltage Range
3.0
5.25
3.0
5.25
V
Supply Current
@ 5.0V
2.5
3.1
3.9
2.5
3.1
3.9
mA
Supply Current5
@ 3.0V
3.0
3.8
4.6
3.0
3.8
4.6
mA
TEMPERATURE RANGE
Operating Range
0
+70
-40
+105
°C
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 External circuitry is required to extend the 3dB bandwidth (ref. Application Note: AN-
00MX-003)
5 The device operates over a 3.0V to 5.25V supply range. Please note that sensitivity and
zero g bias level will be slightly different at 3.0V operation. For devices to be operated at
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.
5 Output settled to within
±17mg
.
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