Silicon Sensing

MEMS Inertial Sensor Solutions, IMUs, Gyroscopes and MEMS Accelerometers for Unmanned Vehicles

United Kingdom
Silicon Sensing
MEMS Inertial Sensor Solutions, IMUs, Gyroscopes and MEMS Accelerometers for Unmanned Vehicles
Clittaford Road, Southway, Plymouth, Devon, PL6 6DE, United Kingdom United Kingdom Regional offices
+44(0) 1752 723330

Silicon Sensing is a leading developer of reliable high-precision MEMS gyroscopes, MEMS accelerometers, IMUs and inertial sensing systems. Our inertial sensors are ideal for a wide range of applications in unmanned systems markets, from UAVs (unmanned aerial vehicles) and drones to driverless cars, autonomous land vehicles, and unmanned surface and underwater vehicles.

MEMS Inertial Sensor Solutions

Supporting highly accurate measurement, guidance, stabilisation, navigation and control requirements, our products are used to satisfy a variety of dynamic behaviour needs even in the most extreme environments, where component size and weight are critical factors.

DMU41 MEMS IMU

High-performance alternative to FOG IMUs

High-performance alternative to FOG IMUsThe ITAR-free DMU41 is our highest-performing MEMS IMU, providing tactical-grade performance with a more than 40% reduction in SWaP (size, weight and power) characteristics compared to its predecessor. The compact nine degree-of-freedom unit features three inductive and three piezoelectric resonating ring gyroscopes, six capacitive accelerometers and three magnetometers.

The DMU41 provides ultra-precise motion sensing for a wide variety of unmanned systems applications, including drone and AUV navigation, precision mapping and surveying, and more. The unit can output data at rates of up to 2 kHz, and interface options include RS422/485, SPI and CAN.

Dimensions 50 x 50 x 50 mm
Weight 200g
Dynamic Range ±490°/s, ±10g
Bias Instability 0.1°/hr, 0.015mg
Bias over Temperature ±7°/hr, ±1.7mg
Current Consumption 125 mA @ 12V
Baud Rate 460800 baud

More Information: DMU41 MEMS IMU

DMU11 MEMS IMU Sensor

Board-level 6DOF MEMS inertial sensor for high-volume applications

DMU11 Board-level 6DOF inertial sensorThe DMU11 combines high-precision MEMS inertial angular rate and linear acceleration sensors to provide a six degree of freedom, full 3D motion sensing and tracking solution. Designed for low-cost, high-volume production applications, the DMU11 features a layout specially designed to minimise physical footprint, making it ideal for space-constrained drones and robotics.

The IMU sensor has been fully calibrated over its entire operational temperature range. An evaluation kit for the DMU11 is available to allow designers and system integrators to easily view and log sensor output data for rapid testing and development.

Dimensions 22 x 22 x 10.6 mm
Rate Dynamic Range ±300 °/sec
Acceleration Dynamic Range ±10g
Rate Bias over Temperature ±0.25 °/sec
Acceleration Bias over Temperature ±10mg
Rate Scale Factor Error ±0.1%
Acceleration Scale Factor Error ±0.1%
Current Consumption 85 mA
Supply Voltage 5V
Data Rate 200 Hz

More Information: DMU11 MEMS IMU Sensor

IMU20 MEMS IMU

Industrial-grade rugged IMU for harsh environments

IMU20 Industrial-grade rugged IMUThe IMU20 is an aerospace- and space-grade IMU specifically designed to meet the high demand for a mid-range, non-ITAR commercial and industrial inertial measurement solution. Highly rugged and engineered to withstand challenging high-impact and vibration environments, it is ideal for unmanned aerial vehicles, satellite launch platforms and more.

The three-axis IMU20 integrates state-of-the-art MEMS inertial sensors calibrated with our sophisticated in-house test facility.

Dimensions 59 x 58 x 36 mm
Dynamic Range ±498°/s, ±30g
Bias Instability 2.5°/hr, 0.5mg
Bias over Temperature ±50°/hr, ±3.3mg
Current Consumption 750mA (at 5V)
Supply Voltage 4.75 – 5.25V
Baud Rate 460,800

More Information: IMU20 MEMS IMU

CRS39A new generation gyro

CRS39A Single-Axis MEMS Gyroscope

Ultra-stable low-noise gyro with reduced size and weight

CRS39A Single-Axis MEMS GyroscopeThe CRS39A is a single-axis MEMS gyroscope designed to fit on a single board, resulting in reduced mass and allowing it to be easily integrated into space-constrained designs. State-of-the-art upgraded electronics provide the unit with significant performance enhancements in bias instability, angle random walk, noise, and vibration tolerance.

The gyro is ideal for a wide range of UAV and autonomous vehicle applications, such as platform stabilisation, guidance and control, and incorporation into high-end AHRS (attitude and heading reference systems).

Dimensions (LxWxH) 75 x 24.5 x 10 mm
Analogue Dynamic Range ±25°/sec
Bias Setting Error ±0.012V
Scale Factor Setting Error ±0.17% (at 45°C)
Bias over Temperature ±85 ̊/hr
Bias Instability 0.03°/hr
Bandwidth (nominal) 25Hz ±10Hz
Supply Voltage 5V
Current Consumption 30mA

CRH03 Single-Axis MEMS Gyroscope

Low-noise high-performance gyro

CRH03 Single-Axis MEMS GyroscopeThe CRH03 is a single-axis MEMS gyroscope that delivers high performance with comparable bias characteristics to FOG and DTG sensors.

Utilising our latest-generation resonating ring gyroscope technology, it features an onboard temperature sensor that allows performance to be fine-tuned according to the operating environment.

The sensor is available as an enclosed product or as an OEM board for developers and systems integrators. Both OEM and housed versions feature five dynamic range options, and the OEM boards are available in three different frequency variants. Some OEM models can also optionally provide a raw uncompensated data output.

CRH03-010 CRH03-025 CRH03-100 CRH03-200 CRH03-400
Dimensions 47 x 33.5 x 25.4 mm (housed)
29 x 24 x 17.4 mm (OEM)
Analogue Dynamic Range ±10°/s ±25°/s ±100°/s ±200°/s ±400°/s
Bias Setting Error ±10mV ±10mV ±10mV ±10mV ±10mV
Scale Factor Setting Error ±0.17% ±0.17% ±0.17% ±0.17% ±0.17%
Bias over Temperature ±0.1 ̊/sec ±0.1 ̊/sec ±0.15 ̊/sec ±0.15 ̊/sec ±0.15 ̊/sec
Bias Instability 0.03°/hr 0.04°/hr 0.04°/hr 0.05°/hr 0.1°/hr
Bandwidth (nominal) 50 Hz 50 Hz 100 Hz 100 Hz 100 Hz
Supply Voltage 5V 5V 5V 5V 5V
Current Consumption 30 mA 30 mA 30 mA 30 mA 30 mA

CRH02 Single-Axis MEMS Gyro

Compact high-performance gyroscope with low noise

crh02 Single-Axis MEMS GyroThe CRH02 is a compact single-axis high-performance gyroscope offering near-FOG performance with low noise and excellent stability. It is available in four variants with different dynamic ranges to suit a variety of application requirements.

The CRH02-100 and 200 variants are also available as unpackaged boards for OEMs and systems integrators.

Three choices of resonant frequency allow designers building their own IMU from multiple units to integrate three gyros with different frequencies for optimal system performance.

CRH02-025 CRH02-100 CRH02-200 CRH02-400
Dimensions 47 x 33.5 x 25.5 mm
Analogue Dynamic Range ±25°/s ±100°/s ±200°/s ±400°/s
Bias Setting Error ±10mV ±10mV ±10mV ±10mV
Scale Factor Setting Error ±0.5% ±0.5% ±0.5% ±0.5%
Bias over Temperature ±0.2 ̊/sec ±0.2 ̊/sec ±0.25 ̊/sec ±0.25 ̊/sec
Bias Instability 0.12°/hr 0.12°/hr 0.12°/hr 0.12°/hr
Bandwidth (nominal) 50 Hz 100 Hz 100 Hz 50 Hz
Supply Voltage 5V 5V 5V 5V
Current Consumption 60 mA 60 mA 60 mA 60 mA

More Information: CRH02 Single-Axis MEMS Gyro

CMS300 and CMS390 MEMS Combi-Sensor

Combined single-axis gyro and dual-axis accelerometer

cms300 Combined single-axis gyro and dual-axis accelerometerThe CMS combi-sensor combines a single axis gyro and dual-axis low-g accelerometer with a dedicated control ASIC to provide robust angular rate and linear acceleration measurement in a small hermetically-sealed surface-mounted package. The sensor features a digital SPI output and independent user-selectable dynamic range and bandwidth on each axis.

The CMS300 and CMS390 provide different measurement orientation formats:

cms300 MEMS Combi-Sensor

CMS300

  • Two in-plane axes of linear acceleration sensing (X & Y parallel to PCB)
  • One out-of-plane axis of angular rate sensing (Z perpendicular to PCB)

CMS390

  • One in-plane axis of linear acceleration sensing (X parallel to PCB)
  • One out-of-plane axis of linear acceleration sensing (Y perpendicular to PCB)
  • One in-plane axis of angular rate sensing (Z parallel to PCB)
CMS300 CMS390
Dimensions 10.4 x 6.0 x 2.2 mm 10.4 x 6.7 x 2.7mm
Digital Dynamic Range ±150°/s to ±300°/s ±150°/s to ±300°/s
Bias Instability 10°/hr 10°/hr
Bias over Temperature ±30mg (2.5g) – ±50mg (10g) ±30mg (2.5g) – ±50mg (10g)
Supply Voltage 3.3V 3.3V
Current Consumption 8 mA 8 mA

PinPoint® Ultra-Miniature MEMS Gyroscopes

Smallest MEMS Gyros for navigation and pointing

PinPoint Ultra-Miniature MEMS GyroscopesThe PinPoint® series features our smallest MEMS gyros, with excellent bias performance and noise over temperature, and user-selectable dynamic ranges and bandwidth with analogue and digital outputs. The miniature single-axis gyros are ideal for precision drone and unmanned vehicle navigation, attitude sensing, antenna platform pointing and more.

PinPoint® gyros are available in both flat and orthogonal configurations:

crm100

CRM100/102

In-plane angular velocity measurement about an axis perpendicular to PCB

crm200

CRM200/202

Orthogonal angular velocity measurement about an axis parallel to PCB

Evaluation boards for the PinPoint® range are available to allow designers and system integrators to easily assess sensor output for rapid testing and development.

CRM100 CRM102 CRM200 CRM202
Dimensions 5.7 x 4.8 x 1.2 mm 6.3 x 5.5 x 2.7 mm
Analogue Dynamic Range ±75 – ±900°/s ±900 – ±2700°/s ±75 – ±900°/s ±900 – ±2700°/s
Digital Dynamic Range ±75 – ±900°/s ±900 – ±2700°/s ±75 – ±900°/s ±900 – ±2700°/s
Scale Factor Error over Temperature ±1.5% ±1.5% ±1.5% ±1.5%
Scale Factor Setting Error ±0.5% ±3.0% ±0.5% ±3.0%
Bias over Temperature ±3 ̊/sec ±36 ̊/sec ±3 ̊/sec ±36 ̊/sec
Bias Instability 12°/hr 80°/hr 12°/hr 80°/hr
Bandwidth (nominal) 5 – 160 Hz 5 – 160 Hz 5 – 160 Hz 5 – 160 Hz
Supply Voltage 3.3V 3.3V 3.3V 3.3V
Current Consumption 4 mA 4 mA 4 mA 4 mA

More Information: CRM PinPoint®

Gemini Dual-Axis MEMS Accelerometers

High-performance linear acceleration measurement in a small surface-mounted package

cas290 Dual-Axis MEMS AccelerometerOur Gemini series integrated MEMS accelerometers are dual-axis MEMS linear acceleration sensing devices featuring a dedicated control ASIC and analogue and digital SPI output interfaces. The units are supplied in surface-mountable standard LCC ceramic packages, hermetically sealed for full environmental protection.

Gemini high precision MEMS accelerometers are available with in-plane or orthogonal sensing, each with five different dynamic range variants. Evaluation boards are available to allow designers and system integrators to easily assess sensor output for rapid testing and development.

MEMS Accelerometer specifications

CAS211 CAS212 CAS213 CAS214 CAS215
Dimensions 10.4 x 6.0 x 2.2 mm
Analogue Dynamic Range ±0.85g ±2.5g ±10g ±30g ±96g
Digital Dynamic Range ±0.85g ±2.5g ±10g ±30g ±96g
Bias Repeatability ±50mg ±100mg ±100mg ±250mg ±500mg
Bias over Temp ±50mg ±50mg ±50mg ±150mg ±500mg
Noise Spectral Density ≤100µg/√Hz ≤150µg/√Hz ≤150µg/√Hz ≤350µg/√Hz ≤1200µg/√Hz
Bandwidth (nominal) >170Hz >170Hz >170Hz >170Hz >170Hz
Supply Voltage 3.3V 3.3V 3.3V 3.3V 3.3V
Current Consumption 3 mA 3 mA 3 mA 3 mA 3 mA
CAS291 CAS292 CAS293 CAS294 CAS295
Dimensions 10.4 x 6.7 x 2.7 mm
Analogue Dynamic Range ±0.85g ±2.5g ±10g ±30g ±96g
Digital Dynamic Range ±0.85g ±2.5g ±10g ±30g ±96g
Bias Repeatability ±100mg ±100mg ±100mg ±250mg ±500mg
Bias over Temp ±50mg ±50mg ±50mg ±150mg ±500mg
Noise Spectral Density ≤50µg/√Hz ≤150µg/√Hz ≤150µg/√Hz ≤350µg/√Hz ≤1200µg/√Hz
Bandwidth (nominal) >170Hz >170Hz >170Hz >170Hz >170Hz
Supply Voltage 3.3V 3.3V 3.3V 3.3V 3.3V
Current Consumption 3 mA 3 mA 3 mA 3 mA 3 mA

More Information: MEMS Accelerometers

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Regional Offices & Locations
Silicon Sensing Systems Limited United Kingdom Clittaford Road, Southway, Plymouth, Devon, PL6 6DE, United Kingdom +44(0) 1752 723330 Contact Office Send Message Website
Silicon Sensing Systems Japan Japan 1-10 Fuso-cho, Amagasaki, Hyogo 660-0891 Japan +81-6-6489-5868 Contact Office Website