New Model 1522 Series Enhanced Temperature Performance, MEMS Analog Surface Mount Accelerometers


Silicon Designs, Inc., a 100% U.S-based and veteran-owned designer and manufacturer of highly rugged commercial- and inertial-grade MEMS capacitive accelerometer chips, modules, and supporting data acquisition, today announced the global market launch of its Model 1522 series, an industry-exclusive family of enhanced temperature performance, low cost, general purpose analog surface mount accelerometers.

Units are now in active production and are available for immediate customer shipment.

With availability in eight unique models and standard ranges from ±2 g to ±400 g, the Model 1522 series provides reliable vibration and acceleration measurements within more thermally demanding zero-to-medium frequency applications, such as those characterized by large or rapid temperature fluctuations; or, where high or low temperature extremes must otherwise be maintained over an extended time frame. The accelerometers also provide superior bias and scale factor performance over an expanded operating temperature range of -55°C to +125°C, further responding to both AC and DC acceleration.

The robust design of the Model 1522 series combines a micro-machined capacitive sense element together with a custom integrated circuit. The circuit includes both a sense amplifier and a ±4V differential output stage. An additional integral temperature sensor facilitates the self-correction of any previously characterized bias and scale factor temperature dependence for any one particular accelerometer. All accelerometer internal components are housed within a hermetically sealed and nitrogen damped LCC surface mount package. Units are also RoHS compliant.

Carefully regulated manufacturing processes ensure that each Model 1522 series accelerometer is made to be virtually identical within a given g-range. Units are 100% in-house tested, programmed, calibrated and verified within a climate chamber environment to ensure their continued measurement accuracy and reliability, particularly under thermally volatile conditions. Each accelerometer is marked with a serial number for traceability and is shipped with an initial test report. The test report lists measured bias, scale factor, bias and scale factor temperature coefficients, linearity, operating current and DV frequency response/phase plots.

For more information about the Model 1522 series, or other commercial- and inertial-grade MEMS capacitive accelerometer chips and modules available from Silicon Designs, please contact the company at +1.425.391.8329, via email at sales@silicondesigns.com, or visit www.SiliconDesigns.com.

About Silicon Designs, Inc. Silicon Designs, a veteran-owned small business, was founded in 1983 with the goal of improving the accepted design standard for traditional MEMS capacitive accelerometers. At that time, industrial-grade accelerometers were bulky, fragile and costly. The engineering team at Silicon Designs listened to the needs of customers who required more compact, sensitive, rugged and reasonably priced accelerometer modules and chips, though which also offered higher performance. Resultant product lines were designed and built to surpass customer expectations. The company has grown steadily over the years, while its core competency remains accelerometers, with the core business philosophies of “make it better, stronger, smaller and less expensive” and “let the customer drive R&D” maintained to this day.

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