TY - GEN
T1 - A high-resolution time-based resistance-to-digital converter with TDC and counter
AU - Nakagawa, Shuya
AU - Horikoshi, Kaito
AU - Ishikuro, Hiroki
N1 - Funding Information:
ACKNOWLEDGMENT This work was supported by the New Energy and Industrial Technology Development Organization (NEDO).
Funding Information:
This work was supported by the New Energy and Industrial Technology Development Organization (NEDO).
Publisher Copyright:
© 2018 IEEE
PY - 2019/1/22
Y1 - 2019/1/22
N2 - This paper presents a high resolution time-based resistance-to-digital converter for amp-less high-precision sensor application. In order to solve the trade-off between resolution and bandwidth, a time-to-digital converter (TDC) is combined with a resistance-controlled-oscillator. The TDC is used to measure the fractional part of oscillation period, which realize a high resolution and conversion rate with moderate oscillation frequency. Proposed fractional period estimation technique reduce the required number of TDC and save power consumption. A prototype system was developed and 23 ppm resolution of resistance change at conversion rate of 5kSps was experimentally demonstrated.
AB - This paper presents a high resolution time-based resistance-to-digital converter for amp-less high-precision sensor application. In order to solve the trade-off between resolution and bandwidth, a time-to-digital converter (TDC) is combined with a resistance-controlled-oscillator. The TDC is used to measure the fractional part of oscillation period, which realize a high resolution and conversion rate with moderate oscillation frequency. Proposed fractional period estimation technique reduce the required number of TDC and save power consumption. A prototype system was developed and 23 ppm resolution of resistance change at conversion rate of 5kSps was experimentally demonstrated.
KW - Resistance-to-digital converter
KW - Sensor
KW - Time-based ADC
KW - Time-to-digital conveter
UR - http://www.scopus.com/inward/record.url?scp=85062225577&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85062225577&partnerID=8YFLogxK
U2 - 10.1109/MWSCAS.2018.8623991
DO - 10.1109/MWSCAS.2018.8623991
M3 - Conference contribution
AN - SCOPUS:85062225577
T3 - Midwest Symposium on Circuits and Systems
SP - 242
EP - 245
BT - 2018 IEEE 61st International Midwest Symposium on Circuits and Systems, MWSCAS 2018
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 61st IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2018
Y2 - 5 August 2018 through 8 August 2018
ER -