| Paper Abstract and Keywords |
| Presentation |
2024-08-05 16:10
A CMOS Temperature Sensor with Threshold Voltage Compensation
Takuto Togashi, Yoshihiro Komatsu, Shen Xiaochi, Masayuki Ikebe (Hokkaido Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In this study, we designed a temperature sensor that operates in the subthreshold region and does not require calibration. Non-calibration operation is achieved by subtracting the outputs of two temperature sensor cores. The circuit was verified using a TSMC 65nm process, and the proposed temperature sensor performed at -1.4℃ to 2.0℃ in the temperature range of -40 to 80℃. When the power supply voltage is 1.2V, the power consumption at room temperature is 600nW. Furthermore, with a view to application to image sensors, we investigated a circuit configuration using a single-slope ADC. Although two-point calibration is required in conventional circuit configurations, we also propose a correction method to reduce the calibration to one point. When using a single-slope ADC, the performance of the proposed temperature sensor was -0.69℃ to 1.09℃ in the temperature range of -40 to 125℃. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Temperature sensor / Subthreshold region / Digital calibration / Single-slope ADC / / / / |
| Reference Info. |
ITE Tech. Rep., vol. 48, no. 26, IST2024-39, pp. 6-9, Aug. 2024. |
| Paper # |
IST2024-39 |
| Date of Issue |
2024-07-29 (IST) |
| ISSN |
Online edition: ISSN 2424-1970 |
| Download PDF |
|
| Conference Information |
| Committee |
IEICE-ICD IEICE-SDM IST |
| Conference Date |
2024-08-05 - 2024-08-07 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
|
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Analog, Mixed Analog and Digital, RF, and Sensor Interface, Low Voltage/Low Power Techniques, Novel Devices/Circuits, and the Applications |
| Paper Information |
| Registration To |
IST |
| Conference Code |
2024-08-ICD-SDM-IST |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A CMOS Temperature Sensor with Threshold Voltage Compensation |
| Sub Title (in English) |
|
| Keyword(1) |
Temperature sensor |
| Keyword(2) |
Subthreshold region |
| Keyword(3) |
Digital calibration |
| Keyword(4) |
Single-slope ADC |
| Keyword(5) |
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| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Takuto Togashi |
| 1st Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name |
Yoshihiro Komatsu |
| 2nd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 3rd Author's Name |
Shen Xiaochi |
| 3rd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 4th Author's Name |
Masayuki Ikebe |
| 4th Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2024-08-05 16:10:00 |
| Presentation Time |
25 minutes |
| Registration for |
IST |
| Paper # |
IST2024-39 |
| Volume (vol) |
vol.48 |
| Number (no) |
no.26 |
| Page |
pp.6-9 |
| #Pages |
4 |
| Date of Issue |
2024-07-29 (IST) |