Characterization of a High Temp, High Resolution Sigma Delta ADC for Deep Trek

The Oak Ridge National Laboratory shall collaborate with Honeywell to characterize a fabricated high-resolution, high-temperature analog to digital converter (ADC). This ADC was previously designed by ORNL and Honeywell in support of the Deep Trek High Temperature Electronics Joint Industrial Partnership (US DOE National Energy Technology Laboratory, Project ID DE-FC26-03NT41834, Development of SOI High Temperature Electronics). Specifically, this work shall support the program�s objective to develop and commercialize a high-temperature 18-bit ADC for economic deep drilling using the Honeywell SOI4 fabrication process. As part of this work, ORNL shall develop a testing plan and initiate tests of a first fabrication ADC including both the sigma delta modulator and digital filter functions. ORNL shall provide test board design support to Honeywell and will consult with Honeywell regarding test fixture design and fabrication. Honeywell will design and fabricate the necessary test fixtures for characterizing the devices. In addition, ORNL shall provide a test plan for complete testing and characterization of the ADC chips. At the end of this project, ORNL shall provide Honeywell with a documented test strategy and test results from characterization of the first pass ADC fabricated in Honeywell�s proprietary 0.8u m SOI process.