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ADXL202E Datasheet(Arkusz danych) 2 Page - Analog Devices

Numer części ADXL202E
Szczegółowy opis  Low-Cost -2 g Dual-Axis Accelerometer with Duty Cycle Output
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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REV. A
–2–
ADXL202E–SPECIFICATIONS
TPC
1
ADXL202JE
ADXL202AE
Parameter
Conditions
Graph
Min
Typ
Max
Min
Typ
Max
Unit
SENSOR INPUT
Each Axis
Measurement Range
2
±2
±2
g
Nonlinearity
Best Fit Straight Line
0.2
0.2
% of FS
Alignment Error
3
X
±1
±1
Degrees
Alignment Error
X Sensor to Y Sensor
0.01
0.01
Degrees
Cross-Axis Sensitivity4
X
±2
±2%
SENSITIVITY
Each Axis
Duty Cycle per g
T1/T2, VDD = 5 V
X
10.5
12.5
14.5
10
12.5
15
%/g
Duty Cycle per g
T1/T2, VDD = 3 V
X
9.0
11
13.0
8.5
11
13.5
%/g
Sensitivity XFILT, YFILT
VDD = 5 V
X
265
312
360
250
312
375
mV/g
Sensitivity XFILT, YFILT
VDD = 3 V
X
140
167
195
140
167
200
mV/g
Temperature Drift
5
Delta from 25 CX
±0.5
±0.5
%
ZERO g BIAS LEVEL
Each Axis
0 g Duty Cycle
T1/T2, VDD = 5 V
X
34
5066
30
5070
%
0 g Duty Cycle
T1/T2, VDD = 3 V
X
31
5069
31
5069
%
0 g Voltage XFILT, YFILT
VDD = 5 V
X
2.1
2.5
2.9
2.0
2.5
3.0
V
0 g Voltage XFILT, YFILT
VDD = 3 V
X
1.2
1.5
1.8
1.2
1.5
1.8
V
0 g Duty Cycle vs. Supply
X
1.0
4.0
1.0
4.0
%/V
0 g Offset vs. Temperature
5
Delta from 25 C
X
2.0
2.0
mg/ C
NOISE PERFORMANCE
Noise Density
@ 25 C
X
200
200
1000
µg√Hz rms
FREQUENCY RESPONSE
3 dB Bandwidth
At Pins XFILT, YFILT
6
6
kHz
Sensor Resonant Frequency
10
10
kHz
FILTER
RFILT Tolerance
32 k
Ω Nominal
±15
±15
%
Minimum Capacitance
At Pins XFILT, YFILT
1000
1000
pF
SELF-TEST
Duty Cycle Change
Self-Test “0” to “1”
10
10
%
DUTY CYCLE OUTPUT STAGE
FSET
RSET = 125 k
0.7
1.3
0.7
1.3
kHz
Output High Voltage
I = 25
µAVS – 200 mV
VS – 200 mV
V
Output Low Voltage
I = 25
µA
200
200
mV
T2 Drift vs. Temperature
50
50
ppm/ C
Rise/Fall Time
200
200
ns
POWER SUPPLY
Operating Voltage Range
3
5.25
3.0
5.25
V
Quiescent Supply Current
0.6
1.0
0.6
1.0
mA
Turn-On Time
CFILT in
µF
160
CFILT + 0.3
160
CFILT + 0.3
ms
TEMPERATURE RANGE
Specified Performance AE
–40
+85
C
Operating Range
0
70
–40
+85
C
NOTES
1Typical Performance Characteristics.
2Guaranteed by measurement of initial offset and sensitivity.
3Alignment error is specified as the angle between the true and indicated axis of sensitivity (see TPC 15).
4Cross-axis sensitivity is the algebraic sum of the alignment and the inherent sensitivity errors.
5Defined as the output change from ambient to maximum temperature or ambient to minimum temperature.
Specifications subject to change without notice.
(TA = TMIN to TMAX, TA = 25 C for J Grade only, VDD = 5 V, RSET = 125 k ,
Acceleration = 0
g, unless otherwise noted.)




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