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Proceedings Paper

Flexible readout and integration sensor (FRIS): a bio-inspired, system-on-chip, event-based readout architecture
Author(s): Joseph H. Lin; Philippe O. Pouliquen; Andreas G. Andreou; Arnold C. Goldberg; Charbel G. Rizk
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Paper Abstract

We present a bio-inspired system-on-chip focal plane readout architecture which at the system level, relies on an event based sampling scheme where only pixels within a programmable range of photon flux rates are output. At the pixel level, a one bit oversampled analog-to-digital converter together with a decimator allows for the quantization of signals up to 26 bits. Furthermore, digital non-uniformity correction of both gain and offset errors is applied at the pixel level prior to readout. We report test results for a prototype array fabricated in a standard 90nm CMOS process. Tests performed at room and cryogenic temperatures demonstrate the capability to operate at a temporal noise ratio as low as 1.5, an electron well capacity over 100Ge-, and an ADC LSB down to 1e-.

Paper Details

Date Published: 31 May 2012
PDF: 16 pages
Proc. SPIE 8353, Infrared Technology and Applications XXXVIII, 83531N (31 May 2012); doi: 10.1117/12.919584
Show Author Affiliations
Joseph H. Lin, The Johns Hopkins Univ. (United States)
Philippe O. Pouliquen, The Johns Hopkins Univ. (United States)
Andreas G. Andreou, The Johns Hopkins Univ. (United States)
Arnold C. Goldberg, The Johns Hopkins Univ. Applied Physics Lab. (United States)
Charbel G. Rizk, The Johns Hopkins Univ. Applied Physics Lab. (United States)


Published in SPIE Proceedings Vol. 8353:
Infrared Technology and Applications XXXVIII
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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