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Area occupation of IC blocks in a 0.5μM CMOS fabrication process for comparison between the model amperometric instrumentation circuit and the CCDAI.
| Area(μm2) | Model | CCDAI | Savings | |
|---|---|---|---|---|
| Opamp | 1200 | 2 | 0 | |
| Comparator | 1000 | 1 | 1 | |
| Current source pair (with switch) | 600 | 1 | 1 | |
| 8-bit counter @100kHz | 12000 | 1 | 1 | |
| Capacitor(μF) | 2200 | 1 | 0 | |
| Total area(μm2) | 18200 | 13600 | 25% |
