Smart Sensor launches a high-performance multi range silicon micro acceleration sensor ZXA
Release time:
2022-09-08
Source:
The 2021 edition of China's "Industrial Base Innovation and Development Catalogue" was compiled by the National Industrial Base Expert Committee with the participation of more than 1,000 academicians, members of industry associations, universities, research institutes and key enterprise researchers. In this "catalog", sensors and instrumentation are the source and component of the information industry, of which 20 kinds are sensor devices!
Among the 20 kinds of sensors that are key to the development of the country, there are a variety of sensors that are consistent with or consistent with the types independently developed and produced by Beijing Smart Sensor Technology Co., Ltd. (hereinafter referred to as Smart Sensor), for example, the multi-range silicon micro-acceleration sensor ZXA recently innovated and developed by Smart Sensor is an integrated acceleration sensor. The internal chip of this product is manufactured by advanced MEMS processing technology using the piezoresistive effect of semiconductors, and the over-range barrier structure is designed inside the chip to withstand high impact and large acceleration loads.
Smart Sensor silicon micro-acceleration sensor ZXA
Ordinary piezoresistive accelerometers have two serious disadvantages: one is the low temperature effect, and the other is the low sensitivity. To solve the problem of low temperature effect, the temperature effect is usually compensated by a temperature control circuit. However, it is difficult to improve the sensitivity because it is difficult to measure acceleration values with large amplitudes (high g values).
The basic structure of a piezoresistive accelerometer
The Smart Sensor silicon micro-acceleration sensor ZXA uses computer-aided design technology to optimize the structural parameters, and at the same time, it is precisely manufactured by MEMS technology, which effectively reduces the sensitivity ratio error caused by the mechanical structure and greatly increases the reliability of the product.
Smart Sensor Silicon Micro Accelerometer ZXA Technical Parameters (Unless otherwise stated, all values are typical at +24°C, 10Vdc excitation.) ）
Smart Sensor Silicon Micro Accelerometer ZXA has the advantages of small size and high accuracy, and can be packaged in metal shell or plastic. They are available in a variety of capacities (from 300g to 100kg, as shown in the figure above).
Package Size - Metal Package Integrated (Unit: mm)
Package Size-QFN Plastic Package (Unit: mm)
Smart Sensor Silicon Micro Accelerometer ZXA has excellent performance, and its main application scenarios include automotive electronics, collision measurement and impact measurement. Due to the fact that most of the monolithic integrated accelerometers are controlled by Bosch, ST, TDK and other companies, the emergence of Smart Sensor ZXA silicon micro accelerometer sensor can be said to break the long-term monopoly of foreign companies in this field and occupy a leading position in the localization of high-end sensors!
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Beijing Zhixin Sensor Technology Co., Ltd.
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