Abstract

Abstract In recent years there has been an increasing selection of commercially available electronic components specified for very high temperature (200°C+) operation, driven by the needs of harsh-environment applications such as oil and gas exploration/production, aerospace, heavy industrial, and automotive. However, there remains a significant technical challenge to integrate these components into reliable, high performance systems. In this paper we present a complete reference platform implementation of a precision multichannel sensor data acquisition and control system rated to 200°C. The design offers a complete sensors-to-bits solution using a low power 16-bit, 600kSPS SAR ADC and an ARM® Cortex®-M0 based microcontroller. The signal chain is optimized for precision performance and accurate measurements while maintaining low power and a small footprint. The reference platform is available off the shelf, including hardware design files, processor firmware source code, and PC software for data logging and display, offering design engineers a rapid development tool for prototyping and a faster path to production for even complex harsh-environment applications, reducing design risk and evaluation time.

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