Table 1. Device Specifications.
(A) Array of Electrodes | ||
number of working electrodes | 1024 | 1024 |
arrangement | 32 × 32 | 32 × 32 |
pitch | 100 μm | 100 μm |
Electrode Design | ||
working electrodes | ø 25 μm | ø 5–50 μm |
reference electrode | 594 900 μm2 | 594 900 μm2 |
counter electrode | 7 489 300 μm2 | 7 489 300 μm2 |
material | Pt | Pt |
(B) Potentiostat | ||
maximum potential range (CE-WE) | 0–3.3 V | |
resolution | 2.8 mV | |
RE voltage range | 0–2.8 V | |
(C) Current ADC | ||
1st order SDCs | 32 | |
full scale range | 1 nA to 10 μA | |
bandwidth | 500 Hz | |
2nd order SDCs | 32 | |
full scale range | 100 pA to 2 μA | |
bandwidth | 1 kHz | |