Silicon Sensing CAS290 (Dual-Axis, Orthogonal) Accelerometers
Compact and Durable Design for Aerospace and Industrial Applications
Silicon Sensing Gemini® CAS290 (Dual-Axis, Orthogonal) Accelerometers are high-precision MEMS sensors offering three-axis sensing with superior bias stability and ultra-low noise. Ideal for aerospace, industrial automation, and vibration monitoring, these accelerometers deliver accurate and reliable motion detection in even the most challenging environments. Gemini®'s compact and durable design ensures consistent performance, making it the perfect choice for applications requiring precise inertial measurements.
CAS290 Accelerometers Technical Specifications
| CAS291 | CAS292 | CAS293 | CAS294 | CAS295 |
Supply Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
Bias over Temperature | ±50mg | ±50mg | ±0.75mg | ±150mg | ±500mg |
Bias Repeatability | ±0.35mg | ±0.75mg | ±0.75mg | ±3.0mg | ±8.0mg |
Bandwidth (nominal) | >170Hz (Digital) >250Hz (Analogue) | >170Hz (Digital) >250Hz (Analogue) | >170Hz (Digital) >250Hz (Analogue) | >170Hz (Digital) >250Hz (Analogue) | >170Hz (Digital) >250Hz (Analogue) |
Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
Typ. Current Consumption | 3mA | 3mA | 3mA | 3mA | 3mA |
Operational Shock | 1000g 1ms ½ sine | 1000g 1ms ½ sine | 1000g 1ms ½ sine | 1000g 1ms ½ sine | 1000g 1ms ½ sine |
Bias over Temperature | ±50mg | ±50mg | ±50mg | ±150mg | NA |
Axes of Acceleration | 2 | 2 | 2 | 2 | 2 |
Acceleration Range | ±0.85g | ±2.5g | ±10g | ±30g | ±96g |
Noise Spectral Density | ≤50µg/√Hz | ≤150µg/√Hz | ≤150µg/√Hz | ≤350µg/√Hz | ≤1200µg/√Hz |
Vibration Rectification | 0.15mg/g2 @ 0.5g rms | 0.15mg/g2 @ 0.5g rms | 0.15mg/g2 @ 0.5g rms | 0.15mg/g2 @ 0.5g rms | 0.15mg/g2 @ 0.5g rms |
Digital Scale Factor | 33,500lsb/g | 11,000lsb/g | 2,800lsb/g | 1,050lsb/g | 300lsb/g |
Analogue Scale Factor | 1150mV/g | 375mV/g | 96mV/g | 36mV/g | 10mV/g |
Bias Stability (One Year) | ±7.5mg | ±7.5mg | ±7.5mg | ±25mg | ±75mg |
Velocity Random Walk | (m/s/√h) 0.07 | (m/s/√h) 0.07 | (m/s/√h) 0.07 | (m/s/√h) 0.07 | (m/s/√h) 0.07 |
Why Choose the CAS290 Accelerometers?
Small (10.4 x 6.7 x 2.7mm)
Excellent bias repeatability over temperature
Dual-axis MEMS accelerometer in a hermetically sealed ceramic LCC surface mount package for temperature and humidity resistance
Five dynamic range options; ±0.85g, ±2.5g, ±10g, ±30g, ±96g
Analogue and digital (SPI®) outputs for linear acceleration and temperature
Wide bandwidth (typically 170Hz digital, 250Hz analogue)
Temperature range -40 to +125ºC
Low power consumption (3mA Typ) from a 3.3V supply
Integral temperature sensor
RoHS compliant
What Is the CAS290 Accelerometers Used For?
Aerospace and industrial
Aircraft AHRS and controls
Platform stabilisation
Drilling guidance
Surveying and mapping
Land and marine navigation
Transportation
Inertial measurement units
Levelling and tilt sensing
Frequently Asked Questions
What is the CAS290 Accelerometers?
Silicon Sensing Gemini® CAS290 (Dual-Axis, Orthogonal) Accelerometers are high-precision MEMS sensors offering three-axis sensing with superior bias stability and ultra-low noise. Ideal for aerospace, industrial automation, and vibration monitoring, these accelerometers deliver accurate and reliable motion detection in even the most challenging environments.
What should I look for when selecting an accelerometer like the CAS290 Accelerometers?
Key criteria are measurement range, bias stability, noise density and temperature behavior — all listed in the specifications above. The CAS290 Accelerometers offers MEMS reliability with performance suited to demanding navigation and monitoring tasks.
Where is the CAS290 Accelerometers available?
The CAS290 Accelerometers is available through Leo Drive in the following region: Turkey. For other regions, please contact Leo Drive.
How can I get the datasheet and technical documents for the CAS290 Accelerometers?
Please contact Leo Drive to request the datasheet, user manual and other technical documents for the CAS290 Accelerometers.
Explore More at Leo Drive
The CAS290 Accelerometers is part of the MEMS Accelerometers range at Leo Drive. Browse all autonomous vehicle sensors and components, or talk to our engineering team about integration in your project.
