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ADXL278 Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL278
Szczegółowy opis  Dual-Axis, High-g, MEMS Accelerometers
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL278
Rev. A | Page 3 of 12
SPECIFICATIONS1
At TA = −40°C to +105°C, 5.0 V dc ± 5%, acceleration = 0 g, unless otherwise noted.
Table 1.
Model No. AD22284
Model No. AD22285
Model No. AD22286
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Axis
Min
Typ
Max
Unit
SENSOR
Output Full-Scale Range
IOUT ≤ ±100 μA
37
55
X
70
g
Y
37
g
Nonlinearity
0.2
2
0.2
2
0.2
2
%
Package Alignment Error
1
1
1
Degree
Sensor-to-Sensor
Alignment Error
0.1
0.1
0.1
Degree
Cross-Axis Sensitivity
−5
+5
−5
+5
−5
+5
%
Resonant Frequency
24
24
24
kHz
Sensitivity, Ratiometric
(Over Temperature)
VDD = 5 V,
100 Hz
52.25
55
57.75
36.1
38
39.9
X
25.65
27
28.35
mV/g
Y
52.25
55
57.75
mV/g
OFFSET
Zero-g Output Voltage
(Over Temperature)2
VOUT − VDD/2,
VDD = 5 V
−150
+150
−150
+150
X
−100
+100
mV
Y
−150
+150
mV
NOISE
Noise Density
10 Hz − 400 Hz,
5 V
1.1
3
1.4
3
X
1.8
3.5
mg/√Hz
Y
1.1
3
mg/√Hz
Clock Noise
5
5
5
mV p-p
FREQUENCY RESPONSE
2-pole Bessel
−3 dB Frequency
360
400
440
360
400
440
360
400
440
Hz
−3 dB Frequency Drift
25°C to
TMIN or TMAX
2
2
2
Hz
SELF-TEST
Output Change
(Cube vs. VDD)3
VDD = 5 V
440
550
660
304
380
456
X
216
270
324
mV
Y
440
550
660
mV
Logic Input High
VDD = 5 V
3.5
3.5
3.5
V
Logic Input Low
VDD = 5 V
1
1
1
V
Input Resistance
Pull-down
resistor to GND
30
50
30
50
30
50
OUTPUT AMPLIFIER
Output Voltage Swing
IOUT = ±400 μA
0.25
VDD
0.25
0.25
VDD
0.25
0.25
VDD
0.25
V
Capacitive Load Drive
1000
1000
1000
pF
PREFILTER HEADROOM
280
400
560
g
CFSR @ 400 kHz
6
4.5
3
V/V
6
V/V
POWER SUPPLY (VDD)
4.75
5.25
4.75
5.25
4.75
5.25
V
Functional Range
3.5
6
3.5
6
3.5
6
V
Quiescent Supply Current
VDD = 5 V
2.2
2.9
2.2
2.9
2.2
2.9
mA
TEMPERATURE RANGE
−40
+105
−40
+105
−40
+105
°C
1 All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
2 Zero g output is ratiometric.
3 Self-test output at VDD = (Self-Test Output at 5 V) × (VDD/5 V)3.




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