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Intelligent Digital Sensors

Intelligent Digital Sensors. Jamie Crooks. High speed region of interest [1 st talk this session] High dynamic range, adaptive imaging [2 nd talk this session] In-pixel “intelligence” Sparse readout ADC and storage in each pixel Threshold + functionality High frame rates.

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Intelligent Digital Sensors

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  1. Intelligent Digital Sensors Jamie Crooks

  2. High speed region of interest [1st talk this session] High dynamic range, adaptive imaging [2nd talk this session] In-pixel “intelligence” Sparse readout ADC and storage in each pixel Threshold + functionality High frame rates Active Pixel Sensors: Challenges

  3. Conventional APS pixel Sampling node Comparator (ADC) Digital memory Digital readout architecture A 10000 Frames/s CMOS Digital Pixel Sensor. Kleinfelder et al, Stanford University. IEEE JSSC Dec 2001. The digital pixel

  4. Threshold sensing ”Hit” status / timing Self-select readout (sparsification at pixel level) Multiple registers Address ROM Image pre-processing Advanced digital pixel capabilities …intelligence…

  5. Feasibility study: CFI grant (Centre-For-Instrumentation) RAL test structure for MI3 collaboration On-Pixel-Intelligent-CMOS (OPIC) 10mm BASICPIXELS ADVANCEDPIXELS ADVANCEDPIXELS 4mm

  6. 30um pixels (64x64 arrays) Full frame imaging (up to 10k frame/s) Sparse (threshold defined) frame imaging In-pixel 8-bit ADC + Threshold timing Extended dynamic range coding Optical imaging (~10% fill factor) Charged particle imaging applications Due back: July 2005! On-Pixel-Intelligent-CMOS (OPIC)

  7. Example applications Pulsed laser imaging Collider detector physics Constraints 800Mb/sec max. output data rate Data acquisition, processing, and storage challenges! Acknowledgements MI3(Basic Technology),CFI,Stanford(CA) Conclusion

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