Datasheet

DocID025409 Rev 8 89/121
STM32F334x4 STM32F334x6 STM32F334x8 Electrical characteristics
101
Figure 28. ADC typical current consumption in single-ended and differential modes
t
CONV
(1)
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
1. Data guaranteed by design, not tested in production.
Table 64. ADC characteristics (continued)
Symbol Parameter Conditions Min. Typ. Max. Unit
MS34994V1
ADC current consumption (μA)
Clock frequency (MSPS)
Table 65. 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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