Silicon Sensing CAS200 (Dual-Axis, In-Plane) Accelerometers
Low Noise and Excellent Bias Stability for Accurate Measurements
Silicon Sensing Gemini® CAS200 (Dual-Axis, In-Plane) Accelerometers are high-precision MEMS sensors offering dual-axis sensing with exceptional bias stability and low noise. Designed for critical applications in aerospace, industrial automation, and structural health monitoring, Gemini® accelerometers deliver accurate and reliable measurements even in challenging environments. Their compact and rugged design ensures long-term performance, making them ideal for precise inertial sensing and motion analysis.
CAS200 Accelerometers Technical Specifications
| CAS211 | CAS212 | CAS213 | CAS214 | CAS215 |
Supply Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
Bias over Temperature | ±50mg | ±50mg | ±50mg | ±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 | NA | 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 CAS200 Accelerometers?
Small (10.4 x 6.0 x 2.2mm)
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 CAS200 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 CAS200 Accelerometers?
Silicon Sensing Gemini® CAS200 (Dual-Axis, In-Plane) Accelerometers are high-precision MEMS sensors offering dual-axis sensing with exceptional bias stability and low noise. Designed for critical applications in aerospace, industrial automation, and structural health monitoring, Gemini® accelerometers deliver accurate and reliable measurements even in challenging environments.
What should I look for when selecting an accelerometer like the CAS200 Accelerometers?
Key criteria are measurement range, bias stability, noise density and temperature behavior — all listed in the specifications above. The CAS200 Accelerometers offers MEMS reliability with performance suited to demanding navigation and monitoring tasks.
Where is the CAS200 Accelerometers available?
The CAS200 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 CAS200 Accelerometers?
Please contact Leo Drive to request the datasheet, user manual and other technical documents for the CAS200 Accelerometers.
Explore More at Leo Drive
The CAS200 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.

