Approaches and analysis for on-focal-plane analog-to-digital conversion

Bedabrata Pain; Eric R. Fossum

doi:10.1117/12.178483

23 June 1994 Approaches and analysis for on-focal-plane analog-to-digital conversion

Bedabrata Pain, Eric R. Fossum

Proceedings Volume 2226, Infrared Readout Electronics II; (1994) https://doi.org/10.1117/12.178483
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

This paper presents approaches for on-focal-plane analog-to-digital conversion (ADC). Common approaches and architectures for ADC and their utility for on-focal-plane integration are discussed. Candidate approaches are analyzed with respect to required amplifier gain, bandwidth, capacitance matching, noise and offsets as a function of ADC resolution. A column-parallel ADC architecture appears to be an effective compromise of chip area, power, circuit speed and ADC resolution. The discussion is valid for both infrared focal-plane arrays and visible image sensors.

Citation Download Citation

Bedabrata Pain and Eric R. Fossum "Approaches and analysis for on-focal-plane analog-to-digital conversion", Proc. SPIE 2226, Infrared Readout Electronics II, (23 June 1994); https://doi.org/10.1117/12.178483

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