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ADXL316WBCSZ-RL Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL316WBCSZ-RL
Szczegółowy opis  Small, Low Power, 3-Axis plus minus16 g Accelerometer
Pobierz  14 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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Data Sheet
ADXL316
Rev. 0 | Page 3 of 14
SPECIFICATIONS
TA = 25°C, VS = 3 V, CX = CY = CZ = 0.1 µF, acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications are
guaranteed. Typical specifications are not guaranteed.
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
SENSOR INPUT
Each axis
Measurement Range1
±16
±19
g
Nonlinearity
% of measurement range
±0.2
%
Package Alignment Error
±1
Degrees
Interaxis Alignment Error
±0.1
Degrees
Cross Axis Sensitivity
±1
%
SENSITIVITY (RATIOMETRIC)2
Each axis
Sensitivity at X
OUT, YOUT, and ZOUT
V
S = 3 V
50
57
64
mV/g
Sensitivity Change due to Temperature3
V
S = 3 V
±0.5
mV
ZERO g BIAS LEVEL (RATIOMETRIC)
Each axis
0 g Voltage at X
OUT, YOUT, and ZOUT
V
S = 3 V, 25°C
1.2
1.5
1.8
V
Initial 0 g Output Deviation from Ideal
V
S = 3 V, 25°C
±100
mV
0 g Offset vs. Temperature
±1
mg/°C
NOISE PERFORMANCE
Output Noise
<4 kHz, V
S = 3 V
1
mV
Noise Density
X
OUT and YOUT
210
µg/√Hz rms
Z
OUT
450
µg/√Hz rms
FREQUENCY RESPONSE4
X
OUT and YOUT Bandwidth
5
No external filter
1600
Hz
Z
OUT Bandwidth
5
No external filter
550
Hz
R
FILT Tolerance
27
32
37
kΩ
Sensor Resonant Frequency
4.2
kHz
SELF TEST (ST)6
Logic Input Low
0.3
V
Logic Input High
2.7
V
ST Input Resistance to Ground
30
50
kΩ
Output Change
ST = 0 to ST = 1
At X
OUT
−65
−50
−35
mV
At Y
OUT
35
50
65
mV
At Z
OUT
70
90
110
mV
OUTPUT AMPLIFIER
Output Swing
Low
No load
0.1
V
High
No load
2.8
V
POWER SUPPLY
Operating Voltage Range
1.8
3.6
V
Quiescent Supply Current
350
µA
Turn-On Time7
10
ms
OPERATING TEMPERATURE RANGE
−40
+105
°C
1 Guaranteed by measurement of initial offset and sensitivity.
2 Sensitivity is essentially ratiometric to V
S. Calculate sensitivity by using a scale factor (mV/V/g). Sensitivity = Scale Factor × VS. To calculate minimum and maximum
sensitivity, the scale factors are 15 mV/V/g and 23 mV/V/g, respectively.
3 This parameter is defined as the output change from ambient to maximum temperature or ambient to minimum temperature.
4 Actual frequency response controlled by user-supplied external filter capacitors (C
X, CY, and CZ).
5 Bandwidth = 1/(2 × π × 32 kΩ × C). For C
X, CY = 0.003 µF, the bandwidth = 1.6 kHz. For CZ = 0.01 µF, the bandwidth = 500 Hz. For CX, CY, and CZ = 10 µF, the bandwidth = 0.5 Hz.
6 Self test response changes cubically with V
S.
7 Larger values of C
X, CY, and CZ increase turn-on time. Turn-on time is approximately 160 × (CX, CY, and CZ) + 4 ms, where CX, CY, CZ are in µF.




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