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CMS300
MEMS Combi-sensor
A small, low-cost combi-sensor with class-leading bias and noise over temperature.
The CMS combi-sensor is a single axis gyro and dual-axis low-g accelerometer MEMS combi-sensor. The unit features user-selectable dynamic range and bandwidth, with a digital SPI output. Available in flat and orthogonal formats with a hermetically-sealed ceramic LCC surface mount package.
Product Lifecycle Status
Production Status: In Production
Online Orders are currently unavailable. Please contact us directly at [email protected]
Availability: Available
Customer Applications: New and existing applications
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- Supply Voltage (Vdd)
- Axes of Angular Rate
- Digital Dynamic Range
- Bias Instability
- Axes of Acceleration
- Bias over Temperature
- Operating Temperature
- Current Consumption
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CMS300
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Under
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Supply Voltage (Vdd) : 3.3V
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Axes of Angular Rate : 1
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Digital Dynamic Range : ±150°/s to ±300°/s
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Bias Instability : 10°/hr
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Axes of Acceleration : 2
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Bias over Temperature : ±30mg(2.5g) - ±50mg(10g)
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Operating Temperature : -40°C to +125°C
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Current Consumption : 8mA
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CMS390
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Under
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Supply Voltage (Vdd) : 3.3V
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Axes of Angular Rate : 1
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Digital Dynamic Range : ±150 °/sec, ±300 °/sec
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Bias Instability : 10°/hr
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Axes of Acceleration : 2
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Bias over Temperature : ±30mg(2.5g) - ±50mg(10g)
-
Operating Temperature : -40°C to +125°C
-
Current Consumption : 8mA
Product description
MEMS Combi-sensor
A small, low-cost combi-sensor with class-leading bias and noise over temperature.
The CMS combi-sensor is a single axis gyro and dual-axis low-g accelerometer MEMS combi-sensor. The unit features user-selectable dynamic range and bandwidth, with a digital SPI output. Available in flat and orthogonal formats with a hermetically-sealed ceramic LCC surface mount package.
The user of the Orion™ combi-sensors will be interested in the misalignments of the accelerometers and the gyroscope to theoretical datums on the PCB.
The datasheet for the CMS300 quotes a potential misalignment of 1.5% to the package. Mounting of the CMS300 is straightforward, and no particular allowance needs to be made for mounting inaccuracy.
Mounting the CMS390 is more difficult. The package is very tall for its width, and the mounting face is not completely flat. The datasheet includes an additional allowance for the lack of flatness of this mounting face, and with reasonable care in placement, the datasheet limit of 3% should be achieved. If additional accuracy is required the use of special fixtures or jigs could improve the perpendicularity of the package and hence minimize the misalignment of the sensor to the PCB.
If there is a processing capability present with the system, any residual misalignments errors can be corrected within the processor.
