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PDF CRH02 Data sheet ( Hoja de datos )
| Número de pieza | CRH02 | |
| Descripción | Analogue Angular Rate Sensor | |
| Fabricantes | Silicon Sensing Systems | |
| Logotipo |  |
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102-11-379-044-EH-0315.pdf
CRH02 Technical Datasheet
Analogue Angular Rate Sensor
High Performance MEMS Gyroscope
www.siliconsensing.com
Features
• Proven and Robust silicon MEMS VSG3QMAX
vibrating ring structure
• Four rate ranges available: ±25°/s, ±100°/s, ±200°/s
and ±400°/s
• FOG - like performance
• Low Bias Instability - 0.12°/hr (100°/s)
• Excellent Angle Random Walk - 0.017°/hr
• Low noise - 0.15°/s rms (50Hz bandwidth)
• Precision analogue output
• High shock and vibration rejection
• Wide range from -40°C to +85°C
• Temperature sensor output for precision
thermal compensation
• MEMS frequency output for precision thermal
compensation
• RoHS Compliant
Applications
• Aerospace Applications
• Platform Stabilization
• Precision Surveying
• Maritime Guidance and Control
• Gyro-compassing and Heading Control
• Autonomous Vehicles and ROVs
• Rail Track monitoring
• Robotics
• Drilling Equipment and Guidance
• Inertial Measurement Units
Sensing Axis
1 General Description
CRH02 provides the optimum solution for applications
where bias instability, angle random walk and low noise
are of critical importance.
At the heart of the CRH02 is Silicon Sensing’s VSG3QMAX
vibrating ring MEMS sensor which is at the pinnacle
of 15 years of design evolution and the latest off a
line which has produced over 30 million high integrity
MEMS inertial sensors. The VSG3QMAX gyro sensor
is combined with precision discrete electronics to
achieve high stability and low noise, making the
CRH02 a viable alternative to Fibre-Optic Gyro (FOG)
and Dynamically Tuned Gyro (DTG).
An on board temperature sensor and the resonant
frequency of the MEMS enables additional external
conditioning to be applied to the CRH02 by the host,
enhancing the performance even further.
Typical applications include downhole surveying,
drilling equipment, precision platform stabilization,
ship stabilisation, ship guidance and control,
autonomous vehicles, high-end AHRS and other
flight instruments.
Whatever your application, the unique and patented
silicon ring technology gives advanced and stable
performance over time and temperature, overcoming
mount sensitivity problems associated with simple
beam or tuning fork based sensors.
© Copyright 2015 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture company.
Specification subject to change without notice.
CRH02-00-0100-132 Rev 1
Page 1
1 page  
102-11-379-044-EH-0315.pdf
CRH02 Technical Datasheet
Analogue Angular Rate Sensor
High Performance MEMS Gyroscope
www.siliconsensing.com
4 Absolute Maximum
Parameter
Electrical
Supply Voltage
ESD Protection
Temperature
Operating
Storage
Humidity (Non-condensing)
Minimum
–
–
-40°C
-40°C
–
Maximum
6.0V
2kV HBM
85°C
100°C
95%
5 Auxillary Output Signals
Parameter
Frequency
Resonanting Ring
Frequency
Frequency
Temperature
Coefficient
Temperature
Temperature Sensor
Offset at 0°C
Temperature Sensor
Offset at 25°C
Temperature Sensor
Scale Factor
Minimum
27kHz
-0.9Hz/°C
–
–
-12.60mV/°C
Typical
28.0kHz
-0.80Hz/°C
-0.536V
-0.830V
-11.77mV/°C
Maximum
Notes
29kHz
-0.7Hz/°C
Output impedance 1kohm
–
–
–
-11.00mV/°C
With respect to REF
output impedance 510ohm
With respect to REF
output impedance 510ohm
Output impedance
510ohm
Note 1: The angle random walk is the value derived at the intercept of the - ½ tangent on the Allan Variance
plot and the 1 second correlation point (tau) divided by 60.
Note 2: The bias instability is the value at the minimum part of the Allan Variance plot, usually between
10s and 100s.
Note 3: The product must not be subjected to temperatures outside the recommended storage
temperature range at any time.
Note 4: CRH02 is a precision measurement instrument do not drop it onto a hard surface from a
height exceeding 300mm.
© Copyright 2015 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture company.
Specification subject to change without notice.
CRH02-00-0100-132 Rev 1
Page 5
5 Page 
102-11-379-044-EH-0315.pdf
CRH02 Technical Datasheet
Analogue Angular Rate Sensor
High Performance MEMS Gyroscope
www.siliconsensing.com
6.6 Current Consumption with Temperature
This section shows the typical Current Consumption
over temperature.
75
70
65
60
55
50
45
40
35
-40 -20
0 25 45
Temperature (°C)
65
85
Figure 6.21 CRH02-025 Current Consumption
over Temperature
75
70
65
60
55
50
45
40
35
-40 -20
0 25 45
Temperature (°C)
65
85
Figure 6.22 CRH02-100 Current Consumption
over Temperature
75
70
65
60
55
50
45
40
35
-40 -20
0 25 45
Temperature (°C)
65
85
Figure 6.23 CRH02-200 Current Consumption
over Temperature
75
70
65
60
55
50
45
40
35
-40 -20
0 25 45
Temperature (°C)
65
85
Figure 6.24 CRH02-400 Current Consumption
over Temperature
© Copyright 2015 Silicon Sensing Systems Limited. All rights reserved. Silicon Sensing is an Atlantic Inertial Systems, Sumitomo Precision Products joint venture company.
Specification subject to change without notice.
CRH02-00-0100-132 Rev 1
Page 11
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet CRH02.PDF ] | |
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