keikawa / temperature-sensor-openrule1um

Temperature sensor circuit for OpenRule1um

temperature-sensor-OpenRule1um

Temperature sensor circuit for OpenRule1um

Requirement

• KLayout 0.26.9
• KiCad 5.1.7
• PCell v1.9

Schematic

References

1. J. He, C. Zhao, S.-H. Lee, K. Peterson, R. Geiger, and D. Chen, “Highly linear very compact untrimmed on-chip temperature sensor with second and third order temperature compensation,” in 2010 53rd IEEE International Midwest Symposium on Circuits and Systems, Aug. 2010, pp. 288–291. doi: 10.1109/MWSCAS.2010.5548802.
2. S. Mandal, S. Arfin, and R. Sarpeshkar, “Fast startup CMOS current references,” in 2006 IEEE International Symposium on Circuits and Systems, May 2006, pp. 2845–2848. doi: 10.1109/ISCAS.2006.1693217.

Layout

The active area is 52 um x 59.5 um.

Measurement result

The output voltage varies linearly with temperature.

Licence

MIT Licence