Low-noise high-sensitivity digital readout integrated circuit for SWIR imaging

Thomas Poonnen; Kendall Esparza; Sean McCotter; Brian Ratledge; William Korth; Nishant Dhawan; Kenton Veeder

doi:10.1117/12.3014439

7 June 2024 Low-noise high-sensitivity digital readout integrated circuit for SWIR imaging

Thomas Poonnen, Kendall Esparza, Sean McCotter, Brian Ratledge, William Korth, Nishant Dhawan, Kenton Veeder

Proceedings Volume 13046, Infrared Technology and Applications L; 130461G (2024) https://doi.org/10.1117/12.3014439
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

Indium gallium arsenide and colloidal quantum dot SWIR sensors can produce stronger contrast imagery than their visible counterparts due to the reduced scattering in the SWIR band. A 640 x 512 format, 10 μm pixel pitch low-noise highsensitivity DROIC, with a capacitive transimpedance amplifier pixel front end, for SWIR imaging is presented. This DROIC has variable gain pixels with well capacities of approximately 22 ke- in high gain, 160 ke- in mid gain and 1.1 Me- in low gain. The readout boasts a low read noise of only 15 e- rms at room temperature in high gain with correlated double sampling. This DROIC can run at 700 fps full frame and 8.9 kfps for 32 x 32 window.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Thomas Poonnen, Kendall Esparza, Sean McCotter, Brian Ratledge, William Korth, Nishant Dhawan, and Kenton Veeder "Low-noise high-sensitivity digital readout integrated circuit for SWIR imaging", Proc. SPIE 13046, Infrared Technology and Applications L, 130461G (7 June 2024); https://doi.org/10.1117/12.3014439

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