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ADXL322JCP-REEL Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL322JCP-REEL
Szczegółowy opis  Small and Thin -2 g Accelerometer
Pobierz  16 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL322
Rev. 0 | Page 3 of 16
SPECIFICATIONS
TA = 25°C, VS = 3 V, CX = CY = 0.1 μF, Acceleration = 0 g, unless otherwise noted1.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
SENSOR INPUT
Each axis
Measurement Range
±2
g
Nonlinearity
% of full scale
±0.2
%
Package Alignment Error
±1
Degrees
Alignment Error
X sensor to Y sensor
±0.1
Degrees
Cross-Axis Sensitivity
±2
%
SENSITIVITY (RATIOMETRIC)2
Each axis
Sensitivity at XOUT, YOUT
VS = 3 V
378
420
462
mV/g
Sensitivity Change due to Temperature3
VS = 3 V
0.01
%/°C
ZERO g BIAS LEVEL (RATIOMETRIC)
Each axis
0 g Voltage at XOUT, YOUT
VS = 3 V
1.3
1.5
1.7
V
Initial 0 g Bias Deviation from Ideal
±50
mg
0 g Offset Vs. Temperature
<±0.5
mg/°C
NOISE PERFORMANCE
Noise Density
at 25°C
220
μg/√Hz rms
FREQUENCY RESPONSE4
CX, CY Range5
0.002
10
μF
RFILT Tolerance
32 ± 15%
Sensor Resonant Frequency
5.5
kHz
SELF-TEST
T
6
Logic Input Low
0.6
V
Logic Input High
2.4
V
ST Input Resistance to Ground
50
Output Change at XOUT, YOUT
Self-test 0 to 1
125
mV
OUTPUT AMPLIFIER
Output Swing Low
No load
0.2
V
Output Swing High
No load
2.7
V
POWER SUPPLY
Operating Voltage Range
2.4
6
V
Quiescent Supply Current
0.45
mA
Turn-On Time7
20
ms
TEMPERATURE
Operating Temperature Range
−20
70
°C
1 All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
2 Sensitivity is essentially ratiometric to VS. For VS = 2.7 V to 3.3 V, sensitivity is 138 mV/V/g to 142 mV/V/g typical.
3 Defined as the output 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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