# A Fast 50 × 40-Pixels Single-Point DTOF SPAD Sensor With Photon Counting and Programmable ROI TDCs, With σ &lt;4 mm at 3 m up to 18 klux of Background Light

> Research article (IEEE Solid-State Circuits Letters, 2020) · cited 24× · AI/ML

**Wikidata**: [openalex:W3039585879](https://www.wikidata.org/wiki/openalex:W3039585879)  
**Source**: https://4ort.xyz/entity/a-fast-50-40-pixels-single-point-dtof-spad-sensor-with-photon-counting-and-programmable-roi-tdcs-with-lt-4-mm-at-3-m-up-
