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ADXRS450BEYZ Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXRS450BEYZ
Szczegółowy opis  HIgh Performance, Digital Output Gyroscope
Pobierz  28 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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Preliminary Technical Data
ADXRS450
Rev. PrA | Page 3 of 28
SPECIFICATIONS
Specification conditions @ TA = TMIN to TMAX, PDD = 5 V, angular rate = 0°/sec, bandwidth = 80 Hz ±1 g, continuous self-test on.
Table 1.
Parameter
Test Conditions/Comments
Symbol
Min
Typ
Max
Unit
MEASUREMENT RANGE
Full-scale range
FSR
±300
±400
°/sec
SENSITIVITY
See Figure 2
Nominal Sensitivity
80
LSB/°/sec
Sensitivity Tolerance
±3
%
Nonlinearity1
Best fit straight line
0.05
0.25
% FSR rms
Cross-Axis Sensitivity2
±3
%
NULL
Null Accuracy
±3
°/sec
NOISE PERFORMANCE
Rate Noise Density
TA = 25°C
0.015
°/sec/√Hz
LOW-PASS FILTER
Cut-Off (−3dB) Frequency
f0/200, see Figure 6
fLP
80
Hz
Group Delay3
f = 0 Hz
tLP
3.25
4
4.75
ms
SHOCK AND VIBRATION IMMUNITY
Sensitivity to Linear Acceleration
DC to 5 kHz
0.03
°/sec/g
Vibration Rectification
0.003
°/sec/g2
SELF-TEST
See Continuous Self-Test
Magnitude
2559
LSB
Fault Register Threshold
Compared to LOCST data
2239
2879
LSB
Sensor Data Status Threshold
Compared to LOCST data
1279
3839
LSB
Frequency
f0/32
fST
500
Hz
ST Low-Pass Filter
−3 dB Frequency
f0/800, see Figure 7
2
Hz
Group Delay3
52
64
76
ms
SPI COMMUNICATIONS
Clock Frequency
8.08
MHz
Voltage Input High
MOSI, CS, SCLK
0.85 × PDD
PDD + 0.3
V
Voltage Input Low
MOSI, CS SCLK
−0.3
PDD × 0.15
V
Output Voltage Low
MISO, current = 3 mA
0.5
V
Output Voltage High
MISO, current = −2 mA
PDD − 0.5
V
Pull up Current
CS, PDD = 3.3 V, CS = 0.75 × PDD
50
200
μA
CS, PDD = 5 V, CS = 0.75 × PDD
70
300
μA
MEMORY REGISTERS
See Memory Register Definitions
Temperature Sensor
Value at 45°C
0
LSB
Scale Factor
5
LSB/°C
Quad, ST, Rate, DNC Registers
Scale Factor
80
LSB/°/sec
POWER SUPPLY
Supply Voltage
PDD
3.15
5.25
V
Quiescent Supply Current
IDD
6.0
10.0
mA
Turn-On Time
Power on to 0.5°/sec of final
100
ms
TEMPERATURE RANGE
Independent of package type
TMIN, TMAX
−40
+105
°C
1 Maximum limit is guaranteed through ADI characterization.
2 Cross-axis sensitivity specification does not include effects due to device mounting on a printed circuit board (PCB).
3 Minimum and maximum limits are guaranteed by design.




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