Datasheet

Electrical characteristics STM32F303xB STM32F303xC
108/149 DS9118 Rev 14
Table 69. Maximum ADC R
AIN
(1)
Resolution
Sampling
cycle @
72 MHz
Sampling
time [ns] @
72 MHz
R
AIN
max (kΩ)
Fast channels
(2)
Slow
channels
Other
channels
(3)
12 bits
1.5 20.83 0.018 NA NA
2.5 34.72 0.150 NA 0.022
4.5 62.50 0.470 0.220 0.180
7.5 104.17 0.820 0.560 0.470
19.5 270.83 2.70 1.80 1.50
61.5 854.17 8.20 6.80 4.70
181.5 2520.83 22.0 18.0 15.0
601.5 8354.17 82.0 68.0 47.0
10 bits
1.5 20.83 0.082 NA NA
2.5 34.72 0.270 0.082 0.100
4.5 62.50 0.560 0.390 0.330
7.5 104.17 1.20 0.82 0.68
19.5 270.83 3.30 2.70 2.20
61.5 854.17 10.0 8.2 6.8
181.5 2520.83 33.0 27.0 22.0
601.5 8354.17 100.0 82.0 68.0
8 bits
1.5 20.83 0.150 NA 0.039
2.5 34.72 0.390 0.180 0.180
4.5 62.50 0.820 0.560 0.470
7.5 104.17 1.50 1.20 1.00
19.5 270.83 3.90 3.30 2.70
61.5 854.17 12.00 12.00 8.20
181.5 2520.83 39.00 33.00 27.00
601.5 8354.17 100.00 100.00 82.00
6 bits
1.5 20.83 0.270 0.100 0.150
2.5 34.72 0.560 0.390 0.330
4.5 62.50 1.200 0.820 0.820
7.5 104.17 2.20 1.80 1.50
19.5 270.83 5.60 4.70 3.90
61.5 854.17 18.0 15.0 12.0
181.5 2520.83 56.0 47.0 39.0
601.5 8354.17 100.00 100.0 100.0
1. Guaranteed by characterization results.
2. All fast channels, expect channels on PA2, PA6, PB1, PB12.
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