Table 3.
Specification comparison of the proposed potentiostat.
| Specification | [24] | [25] | [29] | This Work |
|---|---|---|---|---|
| Power Supply (V) | 1.8 | 1.8 | ±0.9 | 1.8 |
| Process (μm) | 0.18 | 0.18 | 0.18 | 0.18 |
| Irange (A) | 1 n–1 μ | 1 n–200 n | - | 1 n–100 μ |
| Linearity (R2) | 0.9984 | - | 0.98 | 0.99998 |
| Ireadout Electrode | CE | CE | WE | CE |
| Supply RtR Vcell | No | No | Yes | Yes |
| Architecture | SE | SE | FD | SE |
| Output Signal | Freq. | Freq. | VCT | VCT |
| Core Area (mm2) | 0.02 | 0.04 | 0.45 | 0.05 |
| Power (μW) | 70 | 171 | 15,840 | 82 |
FD: Fully-differential; SE: Single-ended; CT: Continuous time; RtR: Rail-to-Rail.