CRH Series High performance Gyroscope
- Technology
- Gyroscopes angular rate sensors
- Partner
- Silicon Sensing
CRH range & CRS39 are class-leading high-performance standalone gyroscopes utilising the latest iteration of Silicon Sensing’s resonating ring gyroscope, which is driven using discrete electronics to achieve a viable, cost-effective alternative to Fibre Optic Gyro (FOG) and Dynamically Tuned Gyro (DTG) performance.
Range features
A high level overview of what this range offers
- Proven and robust silicon MEMS VSG3QMAX vibrating ring structure with improved balancing
- 5 rates available on CRH03: ±10°/s, ±25°/s, ±100°/s, ±200°/s and ±400°/s
- FOG-like performance
- Low bias instability – 0.04°/hr (100°/s)
- Excellent angle random walk – 0.006°/√hr (100°/s)
- CRH03 available in packaged and OEM versions
- Low noise – 0.12°/s rms (100°/s)
- Precision analogue output
- High shock and vibration rejection
- -40°C to +85°C operating temperature range
- Precise thermal compensation
- On-board temperature sensor for additional thermal compensation
- MEMS resonant frequency output can be used to determine temperature for precise thermal compensation
- Approximately 50% lower noise than the previous-generation CRH02
- Reduced warm-up drift compared with CRH02
- 30mA typical current consumption
Downloads
for CRH Series High performance Gyroscope
What’s in this range?
All the variants in the range and a comparison of what they offer
| Model | CRH03-025 | CRH03-100 | CRH03-200 | CRH03-400 | CRS39-03 |
|---|---|---|---|---|---|
Supply Voltage (Vdd) | 5V | 5V | 5V | 5V | 5V |
Analogue Dynamic Range | ±25°/s | ±100°/s | ±200°/s | ±400°/s | ±25°/s |
SF Setting Error | ±0.17%* | ±0.17%* | ±0.17%* | ±0.17%* | ±0.08% |
SF Error Over Temp | ±0.15% | ±0.3% | ±0.3% | ±0.3% | ±0.2% |
Bias Setting Error | ±10mV | ±10mV | ±10mV | ±10mV | ±12mV |
Bias Over Temp | ±0.1°/s | ±0.15°/s | ±0.15°/s | ±0.15°/s | ±0.017°/s |
Bias Instability | 0.04°/hr | 0.04°/hr | 0.05°/hr | 0.10°/hr | 0.08°/hr |
Bandwidth (Nominal) | 50Hz | 100Hz | 100Hz | 100Hz | 25Hz ±10Hz |
Operating Temperature | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -10°C to +110°C |
Current Consumption (typ.) | 30mA | 30mA | 30mA | 30mA | 80mA |
