Electrical characteristics
STM32F302xx/STM32F303xx
Table 67. Maximum ADC RAIN
Resolution
Sampling
cycle @
72 MHz
Sampling
time [ns] @
72 MHz
Fast
channels(1)
1.5
20.83
0.018
2.5
34.72
0.150
4.5
62.50
0.470
12 bits
7.5
104.17
0.820
19.5
270.83
2.70
61.5
854.17
8.20
181.5
2520.83
22.0
601.5
8354.17
82.0
1.5
20.83
0.082
2.5
34.72
0.270
4.5
62.50
0.560
7.5
104.17
1.20
10 bits
19.5
270.83
3.30
61.5
854.17
10.0
181.5
2520.83
33.0
601.5
8354.17
100.0
1.5
20.83
0.150
2.5
34.72
0.390
4.5
62.50
0.820
8 bits
7.5
104.17
1.50
19.5
270.83
3.90
61.5
854.17
12.00
181.5
2520.83
39.00
601.5
8354.17
100.00
1.5
20.83
0.270
2.5
34.72
0.560
4.5
62.50
1.200
6 bits
7.5
104.17
2.20
19.5
270.83
5.60
61.5
854.17
18.0
181.5
2520.83
56.0
601.5
8354.17
100.00
1. All fast channels, expect channels on PA2, PA6, PB1, PB12.
2. Channels available on PA2, PA6, PB1 and PB12.
RAIN max (kΩ)
Slow
channels
NA
NA
0.220
0.560
1.80
6.80
18.0
68.0
NA
0.082
0.390
0.82
2.70
8.2
27.0
82.0
NA
0.180
0.560
1.20
3.30
12.00
33.00
100.00
0.100
0.390
0.820
1.80
4.70
15.0
47.0
100.0
Other
channels(2)
NA
0.022
0.180
0.470
1.50
4.70
15.0
47.0
NA
0.100
0.330
0.68
2.20
6.8
22.0
68.0
0.039
0.180
0.470
1.00
2.70
8.20
27.00
82.00
0.150
0.330
0.820
1.50
3.90
12.0
39.0
100.0
106/133
Doc ID 023353 Rev 5