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- W4316660432 abstract "A 10-bit sub-1-V process-voltage-temperature (PVT) synthesis robust successive-approximation-register (SAR) analog-to-digital converter (ADC) is proposed for intelligent sensing applications. Due to the high degree of SAR ADC digitization, a sub-1-V power supply less than the nominal voltage is used to reduce the overall power consumption. However, compared with the nominal voltage for power supply, SAR ADC faces the problem of PVT instability at low voltage, the problem of asynchronous SAR ADC PVT instability is more severe. The traditional method of a fixed delay circuit can’t deal with all PVT deviations, which will lead to a decline in ADC yield. This paper presents a programmable delay-controlling technique for asynchronous SAR ADC. A 3-input decoder is used to adjust the current of the delay circuit to meet the delay required by ADC under various PVT combinations. Designed with a 0.11-$mu mathrm{m}$ CMOS process, the proposed SAR ADC occupies an area of 0.049 mm <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> .The design results indicate that when the sampling rate is 200 kS/s, under the five processes of TT, SS, FF, SF and FS, the power supply range of 0.9V~1V and the temperature range of −40°C~85°C, good dynamic characteristics are obtained. The power consumption is $2.24 mu mathrm{W}$ and the corresponding Figure of merit (FoM) is 16.46 fJ/Conversion-step at 0.95 V." @default.
- W4316660432 created "2023-01-17" @default.
- W4316660432 creator A5073839526 @default.
- W4316660432 creator A5080078896 @default.
- W4316660432 date "2022-10-28" @default.
- W4316660432 modified "2023-09-24" @default.
- W4316660432 title "A Programmable Delay-Controlling Technique for PVT Enhancement of Asynchronous SAR ADC" @default.
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- W4316660432 doi "https://doi.org/10.1109/icicm56102.2022.10011262" @default.
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