Parameter | This work | Ref. Hassan and Kim (2018) | Ref. Shimamura et al. (2010) | Ref. Jung et al. (2005) |
---|---|---|---|---|
Technology | 0.25 µm | 0.13 µm | 0.5 µm | 0.35 µm |
Type of sensor | Capacitive | Capacitive | Capacitive | Capacitive |
Supply voltage | 1.8~2.5 V | 1.5 V | 3.3 V | 3 V |
Molding thickness | 80 µm | – | – | – |
Operating frequency | 10 MHz (readout 30 MHz) | 1 MHz | – | 40 MHz |
Power dissipation | <3 mA | 7.5 mA (25 mW) | 7.5 mA (25 mW) | – |
Image capture time |
<20 ms | 0.2 ms | 20 ms | – |
Array size | 96 × 96 | 20 × 16 | 224 × 256 | 160 × 192 |
Image resolution | 508 ppi | 282 ppi | 508 ppi | 423 ppi |
FRR@FAR = 10−4 | 2.2% | – | – | – |