A time-to-digital-converter-based CMOS smart temperature sensor

  title={A time-to-digital-converter-based CMOS smart temperature sensor},
  author={Chun-Chi Chen and Wen-Fu Lu and Chin-Chung Tsai and Poki Chen},
  journal={2005 IEEE International Symposium on Circuits and Systems},
  pages={560-563 Vol. 1}
A time-to-digital-converter-based CMOS smart temperature sensor is proposed for high-accuracy portable applications. Conventional smart temperature sensors rely on an analog-to-digital converter, which consumes much chip area and operating power, for digital output code conversion. For the purpose of cost reduction and power saving, the proposed smart temperature sensor first generates a pulse with a width proportional to the measured temperature. Then, a cyclic time-to-digital converter (TDC… CONTINUE READING
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