Datasheet

STM32F302x6 STM32F302x8 Electrical characteristics
DocID025147 Rev 7 103/138
C
ADC
(1)
Internal sample and hold capacitor
--5-pF
t
CAL
(1)
Calibration time
f
ADC
= 72 MHz 1.56 µs
-1121/f
ADC
t
latr
(1)
Trigger conversion latency Regular and injected channels without conversion abort
CKMODE = 00 1.5 2 2.5 1/f
ADC
CKMODE = 01 - - 2 1/f
ADC
CKMODE = 10 - - 2.25 1/f
ADC
CKMODE = 11 - - 2.125 1/f
ADC
t
latrinj
(1)
Trigger conversion latency Injected channels aborting a regular conversion
CKMODE = 00 2.5 3 3.5 1/f
ADC
CKMODE = 01 - - 3 1/f
ADC
CKMODE = 10 - - 3.25 1/f
ADC
CKMODE = 11 - - 3.125 1/f
ADC
t
S
(1)
Sampling time
f
ADC
= 72 MHz 0.021 - 8.35 µs
-1.5-601.51/f
ADC
TADCVREG_STUP
(1)
ADC Voltage Regulator Start-up time
---10µs
t
STAB
(1)
Power-up time - 1
conversion
cycle
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
(1)
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.
Table 66. ADC characteristics (continued)
Symbol Parameter Conditions Min Typ
Max Unit
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