Datasheet

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STM32F303x6/x8 Electrical characteristics
101
Figure 28. ADC typical current consumption in single-ended and differential modes
t
CONV
Total conversion time
(including sampling time)
f
ADC
= 72 MHz
Resolution = 12 bits
0.19 - 8.52 µs
Resolution = 12 bits
14 to 614 (t
S
for sampling + 12.5 for
successive approximation)
1/f
ADC
CMIR
Common Mode Input
signal
ADC differential mode
(V
SSA
+V
REF
+)/
2-0.18
(V
SSA
+
V
REF
+)/2
(V
SSA
+
V
REF
+)/2
+ 0.18
V
Table 61. ADC characteristics (continued)
Symbol Parameter Conditions Min. Typ. Max. Unit
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Table 62. 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
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