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ADXL204CE-REEL Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL204CE-REEL
Szczegółowy opis  Precisionc -1.7 g Single-/Dual-Axis i MEMS Accelerometer
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL204
Rev. A | Page 3 of 12
SPECIFICATIONS
All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
TA = –40°C to +125°C; VS = 3.3 V; CX = CY = 0.1 μF; acceleration = 0 g, unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
SENSOR INPUT
Each axis
Measurement Range1
±1.7
g
Nonlinearity
% of full scale
±0.2
±1.25
%
Package Alignment Error
±1
Degrees
Alignment Error
X sensor to Y sensor
±0.1
Degrees
Cross Axis Sensitivity
±1.5
±3
%
SENSITIVITY (RATIOMETRIC)2
Each axis
Sensitivity at XOUT, YOUT
VS = 3.3 V
595
620
645
mV/g
Sensitivity Change due to Temperature3
VS = 3.3 V
±0.3
%
ZERO g BIAS LEVEL (RATIOMETRIC)
Each axis
0 g Voltage at XOUT, YOUT
VS = 3.3 V
1.55
1.65
1.75
V
Initial 0 g Output Deviation from Ideal
VS = 3.3 V, 25°C
±50
mg
0 g Offset vs. Temperature
±0.15
±0.8
mg/°C
NOISE PERFORMANCE
Output Noise
<4 kHz, VS = 3.3 V
1
3
mV rms
Noise Density
170
μg/√Hz rms
FREQUENCY RESPONSE4
CX, CY Range5
0.002
10
μF
RFILT Tolerance
24
32
40
Sensor Resonant Frequency
5.5
kHz
SELF TEST
T
6
Logic Input Low
0.66
V
Logic Input High
2.64
V
ST Input Resistance to Ground
30
50
Output Change at XOUT, YOUT
Self test 0 to 1
100
200
300
mV
OUTPUT AMPLIFIER
Output Swing Low
No load
0.05
0.2
V
Output Swing High
No load
2.9
3.1
V
POWER SUPPLY
Operating Voltage Range
3
6
V
Quiescent Supply Current
0.5
0.9
mA
Turn-On Time7
20
ms
1 Guaranteed by measurement of initial offset and sensitivity.
2 Sensitivity is essentially ratiometric to VS. For VS = 3.0 V to 3.6 V, sensitivity is typically 185 mV/V/g to 190 mV/V/g.
3 Defined as the change from ambient-to-maximum temperature or ambient-to-minimum temperature.
4 Actual frequency response controlled by user-supplied external capacitor (CX, CY).
5 Bandwidth = 1/(2 × π × 32 kΩ × C). For CX, CY = 0.002 μF, bandwidth = 2500 Hz. For CX, CY = 10 μF, bandwidth = 0.5 Hz. Minimum/maximum values are not tested.
6 Self-test response changes cubically with VS.
7 Larger values of CX, CY increase turn-on time. Turn-on time is approximately 160 × CX or CY + 4 ms, where CX, CY are in μF.




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