Table 5 Comparison of performance metrics with pre- and post-layout results.
From: Design of low power energy efficient sigma-delta ADC for biomedical IoT applications
| Â | [2016]47 | [2017]48 | [2021]49 | [2020]50 | [2023]51 | This Work (Pre / Post) |
|---|---|---|---|---|---|---|
Technology (nm) | 65 | 180 | 110 | 65 | 180 | 180 |
Supply (V) | 0.3 | 1.5 | 1.5 | 1.1 | 1.8 | 1.8 |
Order | 2 | 3 | 2 | 4 | 3 | 2 |
Sampling Frequency (MHz) | 250 KHz | 25.6 | 512 KHz | 2560 | 25 | 1.28 |
Bandwidth (KHz) | 1 | 100 | 2 | 20MHz | 400 | 0.201 |
OSR | 128 |  | 128 | 64 | – | 128 |
SNR (dB) | 64.4 | 73.4 | 94 | 82.1 | 65 | 89.5 / 84.8 |
ENOB (bit) | 10.4 | 12 | – | – | 12.6 | 14.57 / 13.995 |
FoM (fJ/conversion) | 464 | 290 | - | – | 99 | 14.58 / 20.41 |
Area (\(mm^2\)) | – | – | 0.165 | 0.37 | 0.094 | 0.0896 |
Power (\(\mu\)W) | 850 | 222.5 | 62.43 | 11300 | 100 | 454 / 498 |
