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ADXRS649 Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXRS649
Szczegółowy opis  Fast Starting, ±20,000°/sec Vibration Rejecting Rate Gyro
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXRS649
Rev. 0 | Page 3 of 12
SPECIFICATIONS
All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
TA = −40°C to +105°C, VS = AVCC = VDD = VRATIO = 5 V, angular rate = 0°/sec, bandwidth = 80 Hz (COUT = 0.01 μF), IOUT = 100 μA, ±1 g,
unless otherwise noted.
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
SENSITIVITY1
Clockwise rotation is positive output
Measurement Range2
Full-scale range over specifications range
±20,000
°/sec
Initial and over Temperature
−40°C to +105°C
0.08
0.1
0.12
mV/°/sec
Temperature Drift3
±2
%
Nonlinearity
Best fit straight line
0.1
% of FS
NULL BIAS1
Null Bias
−40°C to +105°C
2.4
2.5
2.6
V
Calibrated Null Bias4
−40°C to +105°C
±5
°/sec
Linear Acceleration Effect
Any axis
0.1
°/sec/g
Vibration Rectification
40 g rms, 50 Hz to 27 kHz
0.0006
°/sec/g2
NOISE PERFORMANCE
Rate Noise Density
TA = 25°C
0.25
°/sec/√Hz
TA = 105°C
0.4
°/sec/√Hz
Resolution Floor
TA = 25°C, 1 minute to 1 hour in-run
200
°/hr
FREQUENCY RESPONSE
Bandwidth5
±3 dB user adjustable up to specification
2000
Hz
Sensor Resonant Frequency
16
18
20
kHz
SELF-TEST1
ST1 RATEOUT Response
ST1 pin from Logic 0 to Logic 1
−1300
°/sec
ST2 RATEOUT Response
ST2 pin from Logic 0 to Logic 1
1300
°/sec
ST1 to ST2 Mismatch6
±2
%
Logic 1 Input Voltage
3.3
V
Logic 0 Input Voltage
1.7
V
Input Impedance
To common
40
50
100
TEMPERATURE SENSOR1
VOUT at 25°C
Load = 10 MΩ
2.3
2.4
2.5
V
Scale Factor7
TA = 25°C, VRATIO = 5 V
9
mV/°C
Load to VS
25
Load to Common
25
TURN-ON TIME4
Power on to ±90% of final output, CP5 = 2.2 nF
3
ms
OUTPUT DRIVE CAPABILITY
Current Drive
For rated specifications
200
μA
Capacitive Load Drive
1000
pF
POWER SUPPLY
Operating Voltage (VS)
4.75
5.00
5.25
V
Quiescent Supply Current
3.5
mA
TEMPERATURE RANGE
Specified Performance
−40
+105
°C
1 Parameter is linearly ratiometric with VRATIO.
2 Measurement range is the maximum range possible, including output swing range, initial offset, sensitivity, offset drift, and sensitivity drift at 5 V supplies.
3 From +25°C to −40°C or +25°C to +105°C.
4 Based on characterization.
5 Adjusted by external capacitor, COUT. Reducing bandwidth below 0.01 Hz does not result in further noise improvement.
6 Self-test mismatch is described as (ST2 + ST1)/((ST2 − ST1)/2).
7 Scale factor for a change in temperature from 25°C to 26°C. VTEMP is ratiometric to VRATIO. See the
section for more information.
Temperature Output and Calibration




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