Abstract
This paper presents a triple integration time-to-amplitude conversion (TAC) scheme for high resolution SPAD time of flight cameras. Two reference integrators are added to the conventional integration based TAC design, allowing the scheme to be resistant to PVT variation, common mode noise and capacitive discharge. An implementation in 130 nm CMOS is presented with experimental validation to show a significant improvement over the traditional single integration scheme. The measured performance shows that the triple integration interpolator has an INL, DNL and RMS jitter of 85.1 ps, 43 ps and 65 ps respectively.
| Original language | English |
|---|---|
| Title of host publication | 2018 25th IEEE International Conference on Electronics Circuits and Systems (ICECS) |
| Editors | Elena Blokhina, Francois Rivet |
| Place of Publication | Piscataway NJ USA |
| Publisher | IEEE, Institute of Electrical and Electronics Engineers |
| Pages | 13-16 |
| Number of pages | 4 |
| ISBN (Electronic) | 9781538695623 |
| ISBN (Print) | 9781538691168 |
| DOIs | |
| Publication status | Published - 2018 |
| Event | IEEE International Conference on Electronics, Circuits and Systems 2018 - Bordeaux, France Duration: 9 Dec 2018 → 12 Dec 2018 Conference number: 25th https://ieeexplore.ieee.org/xpl/conhome/8599658/proceeding (Proceedings) |
Conference
| Conference | IEEE International Conference on Electronics, Circuits and Systems 2018 |
|---|---|
| Abbreviated title | ICECS 2018 |
| Country/Territory | France |
| City | Bordeaux |
| Period | 9/12/18 → 12/12/18 |
| Internet address |
Keywords
- Single Photon Avalanche Diode (SPAD)
- Time-of-Flight (ToF)
- Time-to-Amplitude Conversion (TAC)
- Timing
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