2021年2月22日 星期一

Automotive pressure sensor interface includes 4th-order polynomial correction

Allegro is aiming at automotive bridge-type pressure sensors with an interface IC designed to connect directly to a strain gauge or other Wheatstone bridge sensor. Qualification is automotive AEC-Q100 Grade 0. Called A17700, it amplifies and offset-adjusts the analogue input to best-fill the ADC for its internal digital signal processor. DSP includes filtering to trade speed with ...

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