Table 1 Characteristics of the investigated analog SiPM types. Parameters are taken from the respective data sheet
From: Evaluation of the PETsys TOFPET2 ASIC in multi-channel coincidence experiments
| Â | KETEK | SensL | Hamamatsu | Broadcom |
|---|---|---|---|---|
| Â | PA3325-WB-0808 | Array-J-30020-64P-PCB | S14161-3050-HS-08 | AFBR-S4N44P643S |
Pitch | 3.36 mm | 3.36 mm | 3.20 mm | 3.93 mm |
Active area | 3.0 × 3.0 mm2 | 3.07 × 3.07 mm2 | 3.0 × 3.0 mm2 | 3.72 × 3.72 mm2 |
No. of SPADs | 13920 | 14850 | 3531 | 15060 |
SPAD size | 25 µm | 20 µm | 50 µm (pitch) | 30 µm (pitch) |
Breakdown voltage | 27 V | 24.2 V to 24.7 V | 37 V | 26.9 V |
Gain | 1.74·106 (5 V) | 1.9·106 (5 V) | 2.5·106 (2.7 V) | 3.3·106 (7 V) |
Dark count rate | 100 kHz mm2 (5 V) | 125 kHz mm2 (5 V) | - | 270 kHz mm2 (7 V) |
PDE | 43% (5 V) | 38% (5 V) | 50% (2.7 V) | 55% (7 V) |
Reference | [78] | [79] | [80] | [81] |