X-ray speed reading with the MCRC: a low noise CCD readout ASIC enabling readout speeds of 5 Mpixel/s/channel

Peter Orel; Sven Herrmann; Tanmoy Chattopadhyay; Glenn R. Morris; Steven W. Allen; Gregory Y. Prigozhin; Richard Foster; Andrew Malonis; Marshall W. Bautz; Michael J. Cooper; Kevan Donlon

doi:10.1117/12.2629049

29 August 2022 X-ray speed reading with the MCRC: a low noise CCD readout ASIC enabling readout speeds of 5 Mpixel/s/channel

Peter Orel, Sven Herrmann, Tanmoy Chattopadhyay, Glenn R. Morris, Steven W. Allen, Gregory Y. Prigozhin, Richard Foster, Andrew Malonis, Marshall W. Bautz, Michael J. Cooper, Kevan Donlon

Author Affiliations +

Proceedings Volume 12191, X-Ray, Optical, and Infrared Detectors for Astronomy X; 1219124 (2022) https://doi.org/10.1117/12.2629049
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

The X-ray Astronomy and Observational Cosmology (XOC) group at Stanford University, in collaboration with the Massachusetts Institute of Technology (MIT) and MIT Lincoln Laboratory (MIT-LL), is developing next generation X-ray detector and readout technologies. Specifically, the XOC group is developing a fast, low noise readout application specific integrated circuit (ASIC) that is intended to be paired with X-ray charge-coupled device (CCD) detectors in development at MIT-LL. This readout ASIC is denoted as the MIT CCD Readout Chip or MCRC. The MCRC prototype is designed in a 350 nm technology node featuring 8 channels. Each channel is composed of two inputs. One is dedicated to read out the proven source follower-based (SF) CCD architecture with two selectable gain settings, an input referred noise of 1.63 e⁻_RMS, an input dynamic range of ±160 mV, channel to channel crosstalk less than -75 dBc, a power consumption of roughly 30 mW/channel, and a bandwidth of approximately 50 MHz, translating to an effective rise time of around 5 ns. Such a response can comfortably support readout speeds for large CCD pixel matrices in excess of 5 Mpixel/s/channel. The chip also features a second input which is an experimental drain-current readout (DR) topology to support Single electron Sensitive Read Out (SiSeRO) CCD stages currently in development at MIT-LL. The MCRC excels in speed while its input noise and bandwidth are on par with commercial discrete offerings, but with smaller power and real-estate footprints. Here we present the latest measurement results for this state-of-the-art prototype readout ASIC.

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Peter Orel, Sven Herrmann, Tanmoy Chattopadhyay, Glenn R. Morris, Steven W. Allen, Gregory Y. Prigozhin, Richard Foster, Andrew Malonis, Marshall W. Bautz, Michael J. Cooper, and Kevan Donlon "X-ray speed reading with the MCRC: a low noise CCD readout ASIC enabling readout speeds of 5 Mpixel/s/channel", Proc. SPIE 12191, X-Ray, Optical, and Infrared Detectors for Astronomy X, 1219124 (29 August 2022); https://doi.org/10.1117/12.2629049

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