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STM32F205RB Folha de dados(PDF) 109 Page - STMicroelectronics

Nome de Peças STM32F205RB
Descrição Electrónicos  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
PDF  163 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F205RB Folha de dados(HTML) 109 Page - STMicroelectronics

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STM32F205xx, STM32F207xx
Electrical characteristics
Doc ID 15818 Rev 7
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5.3.20
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 61 are derived from tests
performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage
conditions summarized in Table 10.
Table 61.
ADC characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Power supply
1.8(2)
-3.6
V
VREF+
Positive reference voltage
1.8(2)(3)
-VDDA
V
fADC
ADC clock frequency
VDDA = 1.8
(2) to 2.4 V
0.6
-
15
MHz
VDDA = 2.4 to 3.6 V
0.6
-
30
MHz
fTRIG
(4)
External trigger frequency
fADC = 30 MHz
-
-
823
kHz
--
17
1/fADC
VAIN
Conversion voltage range(5)
0 (VSSA or VREF-
tied to ground)
-VREF+
V
RAIN
(4)
External input impedance
See Equation 1 for
details
--
50
k
Ω
RADC
(4)(6) Sampling switch resistance
1.5
-
6
k
Ω
CADC
(4)
Internal sample and hold
capacitor
4-
TBD
pF
tlat
(4)
Injection trigger conversion
latency
fADC = 30 MHz
-
-
0.100
µs
--
3(7)
1/fADC
tlatr
(4)
Regular trigger conversion latency
fADC = 30 MHz
-
-
0.067
µs
--
2(7)
1/fADC
tS
(4)
Sampling time
fADC = 30 MHz
0.100
-
16
µs
3
-
480
1/fADC
tSTAB
(4)
Power-up time
-
2
3
µs
tCONV
(4)
Total conversion time (including
sampling time)
fADC = 30 MHz
12-bit resolution
0.5
-
16.40
µs
fADC = 30 MHz
10-bit resolution
0.43
-
16.34
µs
fADC = 30 MHz
8-bit resolution
0.37
-
16.27
µs
fADC = 30 MHz
6-bit resolution
0.3
-
16.20
µs
9 to 492 (tS for sampling +n-bit resolution for successive
approximation)
1/fADC



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