TY  - JOUR
AU  - Diehl, Inge
AU  - Hansen, K.
AU  - Vanat, T.
AU  - Vignola, G.
AU  - Feindt, F.
AU  - Rastorguev, D.
AU  - Spannagel, S.
TI  - Monolithic MHz-frame rate digital SiPM-IC with sub-100 ps precision and 70 μm pixel pitch
JO  - Journal of Instrumentation
VL  - 19
IS  - 01
SN  - 1748-0221
CY  - London
PB  - Inst. of Physics
M1  - PUBDB-2023-06729
M1  - arXiv:2311.13220
SP  - P01020
PY  - 2024
N1  - 16 pages, 13 figures, 1 table
AB  - This paper presents the design and characterization of a monolithic integrated circuit (IC) including digital silicon photomultipliers (dSiPMs) arranged in a 32 × 32 pixel matrix at 70 μm pitch. The IC provides per-quadrant time stamping and hit-map readout, and is fabricated in a standard 150-nm CMOS technology. Each dSiPM pixel consists of four single-photon avalanche diodes (SPADs) sharing a quenching and subsequent processing circuitry and has a fill factor of 30 %. A sub-100 ps precision, 12-bit time-to-digital converter (TDC) provides timestamps per quadrant with an acquisition rate of 3 MHz. Together with the hit map, the total sustained data throughput of the IC amounts to 4 Gbps. Measurements obtained in a dark, temperature-stable environment as well as by using a pulsed laser environment show the full dSiPM-IC functionality. The dark-count rate (DCR) as function of the overvoltage and temperature, the TDC resolution, differential and integral nonlinearity (DNL/INL) as well as the propagation-delay variations across the matrix are presented. With aid of additional peripheral test structures, the main building blocks are characterized and key parameters are presented.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:001167320400004
DO  - DOI:10.1088/1748-0221/19/01/P01020
UR  - https://bib-pubdb1.desy.de/record/598042
ER  -