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INERTIAL-GRADE & REFERENCE
MEMS DC ACCELEROMETERS

SDI Q-Modules convert our Models 1525 and 1527 inertial-grade surface mount MEMS DC accelerometers into low-mass, low-power, electrically and mechanically compatible fixtures that can replace industry-standard quartz accelerometers within multiple inertial navigation applications. The Q-Modules offer direct pin and form factor compatibility, plus a wide operating temperature range, industrial-grade durability, and a low mass of just 5.6 grams.
 

SDI Model 2290 High-Precision MEMS DC Calibration Reference Accelerometers deliver inertial grade stability, as well as a precise, reliable, and accurate means of determining the sensitivity and frequency response characteristics of unknown MEMS DC accelerometers during end-to-end calibrations and related performance verifications.. Their robust, plug-and-play design combines a simple 4-wire connection with SDI's own Model 1527 inertial-grade surface mount MEMS DC accelerometer chip for added convenience and performance accuracy within an industrial-grade module package. Each unit is 100% factory tested and calibrated before shipment.

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g Range
Sensitivity, Differential
Frequency Response (Typ, -5%)
Frequency Response (Typ, -3dB)
Frequency Response (Min, -3dB)
Output Noise, Differential (RMS, Typ)
Max. Mechanical Shock (0.1 ms)
g
mV/g
Hz
Hz
Hz
μg/(root Hz)
g (peak)
±5
800
0 – 250
0 – 450
0 – 300
10
2000
±10
400
0 – 500
0 – 600
0 - 400
12
2000
±25
160
0 – 650
0 – 900
0 - 600
25
5000
±50
80
0 – 800
0 – 1200
0 – 900
50
5000
SDI 2227 Inertial Accelerometer

INERTIAL MEMS ACCELEROMETER - ECCN 7A994

The Model 2225 Q-Module is a low-mass, low-power module, electrically and mechanically compatible with fixtures and equipment designed for industry-standard quartz accelerometers. It combines a high-temperature, open printed circuit board (PCB), specifically designed to give the high stability required for inertial applications, and SDI’s high-end industrial-inertial grade Model 1525 MEMS Accelerometer. The 2225 was designed to provide the high level of long-term stability required by intensive inertial-related applications for operation in -40 to +85°C environments, like backup systems for light to medium weight aircraft and helicopters.

Available in 5g, 10g, 25g, & 50g

PROVEN APPLICATIONS:

  • mechanically compatible with industry-standard quartz accelerometer fixtures and equipment

  • zero to medium frequency inertial and tilt applications

  • R&D alternative for existing quartz accelerometer systems

POWER

±9 to ±16 VDC

OUTPUT

±4.0 mA Full Scale

Current Output

CURRENT

Max 16 mA

OPERATING TEMP

-40 to +85°C

PACKAGE

Hi-Temp Open Printed Circuit Board

MASS

5.6 grams

ECCN 7A994

SDI 2227 Inertial Accelerometer

TACTICAL INERTIAL MEMS ACCELEROMETER - ECCN 7A994

The Model 2227 Q-Module is a low-mass, low-power MEMS inertial accelerometer, designed for inertial navigation and tilt applications requiring zero-to-medium frequency response. It features an industry-standard form factor and pin configuration that is directly compatible with traditional quartz inertial accelerometers. Model 2227 modules are assembled with a high-temperature, open printed circuit board (PCB), with a circuit that converts accelerometer differential output voltage into a level of current directly proportional to the amount of applied acceleration. This design allows the Model 2227 to achieve the necessary low-noise, high-stability, long-term repeatability and low power requirements of today's inertial navigation applications, at a competitive price point.

Available in 10g, 25g, & 50g

PROVEN APPLICATIONS:

  • mechanically compatible with industry-standard quartz accelerometer fixtures and equipment 

  • zero to medium frequency inertial and tilt applications

  • R&D alternative for existing quartz accelerometer systems

POWER

±9 to ±16 VDC

OUTPUT

±4.0 mA Full Scale 

Current Output

CURRENT

Max 16 mA

OPERATING TEMP

-55 to +125°C

PACKAGE

Hi-Temp Open Printed Circuit Board

MASS

5.6 grams

ECCN 7A994

SDI 2227 Inertial Accelerometer

PRECISION REFERENCE ACCELEROMETER - ECCN 7A994

Built with SDI’s Model 1527 Inertial MEMS accelerometers to combine extreme accuracy and inertial-grade stability with all the durability and reliability of SDI’s industrial accelerometers.

Available in 5g, 10g, 25g, & 50g

PROVEN APPLICATIONS:

· center of gravity acceleration measurements

· equipment calibration

POWER

+8 to 32 VDC

OUTPUT

Differential: +/- 4 V

CURRENT

Max 10.5 mA

OPERATING TEMP

-55 to +125°C

PACKAGE

Anodized Aluminum

MASS

9 grams

ECCN 7A994

Silicon Designs' MEMS DC inertial accelerometers are 100% designed, manufactured, tested, and calibrated in the United States at the company's global corporate headquarters and R&D center in Kirkland, Washington. Please note, all sales and distribution of SDI Models 1525 and 1527 fall under the strict regulatory compliance guidelines of the U.S. Commerce Control List, ECCN 7A994, and therefore may require an export license and government approvals for any orders outside of the United States. Please contact SDI directly with questions regarding our export compliance policies and end-user documentation requirements.

 

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