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STM32F030R8 Fiches technique(PDF) 64 Page - STMicroelectronics

No de pièce STM32F030R8
Description  Value-line ARM-based 32-bit MCU with 16 to 64-KB Flash, timers, ADC, communication interfaces, 2.4-3.6 V operation
PDF  88 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F030R8 Fiches technique(HTML) 64 Page - STMicroelectronics

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Electrical characteristics
STM32F030x4 STM32F030x6 STM32F030x8
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DocID024849 Rev 1
6.3.16
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 48 are preliminary values derived
from tests performed under ambient temperature, fPCLK2 frequency and VDDA supply
voltage conditions summarized in Table 18: General operating conditions.
Note:
It is recommended to perform a calibration after each power-up.
Table 48. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Analog supply voltage for
ADC ON
2.4
-
3.6
V
fADC
ADC clock frequency
0.6
-
14
MHz
fS
(1)
Sampling rate
0.05
-
1
MHz
fTRIG
(1)
External trigger frequency
fADC = 14 MHz
-
-
823
kHz
--
17
1/fADC
VAIN
Conversion voltage range
0
-
VDDA
V
RAIN
(1)
External input impedance
See Equation 1 and
Table 49 for details
--
50
k
RADC
(1)
Sampling switch resistance
-
-
1
k
CADC
(1)
Internal sample and hold
capacitor
--
8
pF
tCAL
(1)
Calibration time
fADC = 14 MHz
5.9
µs
83
1/fADC
tlatr
(1)
Trigger conversion latency
fADC = fPCLK/2 = 14 MHz
0.196
µs
fADC = fPCLK/2
5.5
1/fPCLK
fADC = fPCLK/4 = 12 MHz
0.219
µs
fADC = fPCLK/4
10.5
1/fPCLK
fADC = fHSI14 = 14 MHz
0.188
-
0.259
µs
JitterADC
ADC jitter on trigger
conversion
fADC = fHSI14
-1
-
1/fHSI14
tS
(1)
Sampling time
fADC = 14 MHz
0.107
-
17.1
µs
1.5
-
239.5
1/fADC
tSTAB
(1)
Power-up time
0
0
1
µs
tCONV
(1)
Total conversion time
(including sampling time)
fADC = 14 MHz
1
-
18
µs
14 to 252 (tS for sampling +12.5 for
successive approximation)
1/fADC
1. Guaranteed by design, not tested in production.



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