MX205Q SPECIFICATIONS
Analog Electrical Characteristics
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Technical information.
Subject to change without notice.
Page 2 of 8
Data Sheet
®MEMSIC, Inc. 2000.
100 Burtt Road, Andover, MA 01810
Tel: 978.623.8188
•
Fax: 978.623.9945
www.memsic.com
MX205Q
MX205Q ANALOG Data Sheet N 8/1/01
NOTES
1Guarantee by measurements of initial offset
and sensitivity.
2
Alignment error is specified as the angle between
the true and indicated axis of sensitivity.
3
Cross-axis sensitivity is the algebraic sum of the
alignment and the inherent sensitivity errors.
4
Specification refers to the maximum change in
parameter from its initial value at 25°C to its
worst case value at Tmin to Tmax of the specified
temperature range.
5
Noise density (µg/
√Hz rms) is the average noise at any
frequency in the bandwidth of the device.
6
The voltage is required to ramp full scale before
making a measurement.
7
Note: Frequency compensating circuit will achieve
160 Hz operations. See Application Note (AN-00MX-002) .
Application boards available.
8
Defined as the output change from ambient to
maximum temperature or minimum. For more
details refer to Application Note (AN-00MX-002).
9
For more details refer to Application Note
(AN-00MX-001).
10
Operating at maximum current drive capabilities,
shifting of baseline sensitivity may occur.
11
Ratiometric analog output voltage will be 44.0%
of VDD, VDA supply.
All min and max specifications are subject to change
without notification.
Temperature Changes8
Delta from 25°C per formula
SIN X (TIN)2.67 = SFIN X (TFIN)2.67
SENSOR
Each axis
Measurement Range
1
Nonlinearity
Best Fit Straight
Alignment Error2
Line
SENSITIVITY
Each axis
ANALOG OUTPUTS
Sensitivity
ZERO g BIAS LEVEL
11
Each axis
2.0
2.2
2.4
V
0g Offset vs.
2.0
mg/°C
Temperature4
NOISE PERFORMANCE
Noise Density 5
@ +25°C
750
1000
µg/
√Hz rms
in 40 Hz Bandwidth
FREQUENCY RESPONSE
3 dB Bandwidth
40
Hz
3 dB Bandwidth7
160
Hz
SELF TEST
Voltage Delta at outputs
Continuous,
@5V Supply
Output rails with
5.0
V
@2.7V Supply
failure
2.7
V
X, Y OUTPUTS
10
Current drive
capabilities,
-2.5
+2.5
mA
source/sink
TEMPERATURE RANGE
Operating Range
Tout Voltage
25°C
1.23
1.25
1.27
V
Temp sensor sensitivity
5
mV/°K
V REFERENCE
9
25°C
2.4
2.5
2.6
V
+/- 5.0
2%
+/- 1.0
+/- 2.5
90
100
110
mV/g
g
% of FS
degrees
Min
Typ Max
Parameter
Conditions
MEMSIC MX205Q
Units
2.7
5.25
V
3.0
3.5
mA
4.0
4.5
mA
200
400
ms
-40
125
°C
POWER SUPPLY
Operating Voltage Range
Specified Performance
Quiescent Supply Current @ 5V
Quiescent Supply Current @ 2.7V
Turn-On Time
6
Measurements @ 25°C Acceleration = 0g unless otherwise noted
VDD, VDA = 5.0V unless otherwise specified
Cross-Axis Sensitivity3
X sensor to Y sensor
+/- 2
%
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