Datasheet

Electrical characteristics STM32F334x4 STM32F334x6 STM32F334x8
88/121 DocID025409 Rev 8
f
ADC
ADC clock frequency - 0.14 - 72 MHz
f
S
(1)
Sampling rate
Resolution = 12 bits,
Fast Channel
0.01 - 5.14
Msps
Resolution = 10 bits,
Fast Channel
0.012 - 6
Resolution = 8 bits,
Fast Channel
0.014 - 7.2
Resolution = 6 bits,
Fast Channel
0.0175 - 9
f
TRIG
(1)
External trigger frequency
f
ADC
= 72 MHz
Resolution = 12 bits
- - 5.14 MHz
Resolution = 12 bits - - 14 1/f
ADC
V
AIN
Conversion voltage range - 0 - V
DDA
V
R
AIN
(1)
External input impedance - - - 100 κΩ
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 - 601.5 1/f
ADC
t
ADCVRE
G_STUP
(
1)
ADC Voltage Regulator
Start-up time
---10µs
t
STAB
Power-up time - 1
conver
sion
cycle
Table 64. ADC characteristics (continued)
Symbol Parameter Conditions Min. Typ. Max. Unit
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