Journal
WIPDA 2015 3RD IEEE WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS
Volume -, Issue -, Pages 241-246Publisher
IEEE
Keywords
data converters; high temperature electronics; DAC; mired-signal circuits; R-2R ladder
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Funding
- Div Of Industrial Innovation & Partnersh
- Directorate For Engineering [1465243] Funding Source: National Science Foundation
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This paper presents the first operational digital to analog converter at 400 degrees C. The 8 bit R-2R ladder DAC was designed in the Raytheon 1.2 mu m CMOS HiTSiC process. The data converter is also the first of its kind in SiC. It has been tested with a supply voltage between 12 V and 15 V, and reference voltages of 5 V to 8 V. At 400 degrees C, the maximum measured differential non linearity (DNL) is 2 LSB (least significant bit) and the integral non linearity is 4.4 LSB.
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