Design and characterization of the ePix10k: a high dynamic range integrating pixel ASIC for LCLS detectors

P. Caragiulo; A. Dragone; B. Markovic; R. Herbst; K. Nishimura; B. Reese; S. Herrmann; P. Hart; G. Blaj; J. Segal; A. Tomada; J. Hasi; G. Carini; C. Kenney; G. Haller

doi:10.1117/12.2182193

12 May 2015 Design and characterization of the ePix10k: a high dynamic range integrating pixel ASIC for LCLS detectors

P. Caragiulo, A. Dragone, B. Markovic, R. Herbst, K. Nishimura, B. Reese, S. Herrmann, P. Hart, G. Blaj, J. Segal, A. Tomada, J. Hasi, G. Carini, C. Kenney, G. Haller

Author Affiliations +

Proceedings Volume 9512, Advances in X-ray Free-Electron Lasers Instrumentation III; 95120A (2015) https://doi.org/10.1117/12.2182193
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic

Abstract

ePix10k is a variant of a novel class of integrating pixel ASICs architectures optimized for the processing of signals in second generation LINAC Coherent Light Source (LCLS) X-Ray cameras. The ASIC is optimized for high dynamic range application requiring high spatial resolution and fast frame rates. ePix ASICs are based on a common platform composed of a random access analog matrix of pixel with global shutter, fast parallel column readout, and dedicated sigma-delta analog to digital converters per column. The ePix10k variant has 100um×100um pixels arranged in a 176×192 matrix, a resolution of 140e- r.m.s. and a signal range of 3.5pC (10k photons at 8keV). In its final version it will be able to sustain a frame rate of 2kHz. A first prototype has been fabricated and characterized. Performance in terms of noise, linearity, uniformity, cross-talk, together with preliminary measurements with bump bonded sensors are reported here.

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P. Caragiulo, A. Dragone, B. Markovic, R. Herbst, K. Nishimura, B. Reese, S. Herrmann, P. Hart, G. Blaj, J. Segal, A. Tomada, J. Hasi, G. Carini, C. Kenney, and G. Haller "Design and characterization of the ePix10k: a high dynamic range integrating pixel ASIC for LCLS detectors", Proc. SPIE 9512, Advances in X-ray Free-Electron Lasers Instrumentation III, 95120A (12 May 2015); https://doi.org/10.1117/12.2182193

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