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ADXRS646-EP Datasheet(PDF) 3 Page - Analog Devices

Part No. ADXRS646-EP
Description  High Stability, Low Noise Vibration Rejecting Yaw Rate Gyroscope
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADXRS646-EP Datasheet(HTML) 3 Page - Analog Devices

 
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Enhanced Product
ADXRS646-EP
Rev. 0 | Page 3 of 12
SPECIFICATIONS
All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
TA = 25°C, VS = AVCC = VDD = 6 V, VRATIO = AVCC, 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
±250
±300
°/sec
Initial
8.5
9
9.5
mV/°/sec
Temperature Drift3
±3
%
Nonlinearity
Best fit straight line
0.01
% of FS
NULL1
Null
−40°C to +105°C
2.7
3.0
3.3
V
Temperature Drift3
±3
°/sec
Linear Acceleration Effect
Any axis
0.015
°/sec/g
Vibration Rectification
25 g rms, 50 Hz to 5 kHz
0.0001
°/sec/g2
NOISE PERFORMANCE
Rate Noise Density
T
A ≤ 25°C
0.01
°/sec/√Hz
Rate Noise Density
T
A ≤ 105°C
0.015
°/sec/√Hz
Resolution Floor
T
A = 25°C, 1 minute to 1 hour in-run
12
°/hr
FREQUENCY RESPONSE
Bandwidth4
±3 dB user adjustable up to specification
1000
Hz
Sensor Resonant Frequency
15.5
17.5
20
kHz
SELF-TEST1
ST1 RATEOUT Response
ST1 pin from Logic 0 to Logic 1
−50
°/sec
ST2 RATEOUT Response
ST2 pin from Logic 0 to Logic 1
50
°/sec
ST1 to ST2 Mismatch5
−5
±0.5
+5
%
Logic 1 Input Voltage
ST1 pin or ST2 pin
4
V
Logic 0 Input Voltage
2
V
Input Impedance
ST1 pin or ST2 pin to common
40
50
100
TEMPERATURE SENSOR1
V
OUT at 25°C
Load = 10 MΩ
2.8
2.9
3.0
V
Scale Factor6
25°C, V
RATIO = 6 V
10
mV/°C
Load to V
S
25
Load to Common
25
TURN-ON TIME6
Power on to ±0.5°/sec of final with CP5 = 100 nF
50
ms
OUTPUT DRIVE CAPABILITY
Current Drive
For rated specifications
200
µA
Capacitive Load Drive
1000
pF
POWER SUPPLY
Operating Voltage (V
S)
5.75
6.00
6.25
V
Quiescent Supply Current
4
mA
TEMPERATURE RANGE
Specified Performance
−55
+105
°C
1 Parameter is linearly ratiometric with V
RATIO.
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 Adjusted by external capacitor, C
OUT. Reducing bandwidth below 0.01 Hz does not result in further noise improvement.
5 Self-test mismatch is described as (ST2 + ST1)/((ST2 − ST1)/2).
6 Based on characterization.


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