STMicroelectronics Discovery kit for STM32L151/152 line - with STM32L152RC MCU STM32L152C-DISCO STM32L152C-DISCO Hoja De Datos
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STM32L152C-DISCO
DocID022799 Rev 6
STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC
Electrical characteristics
111
6.3.17 12-bit
ADC
characteristics
are guaranteed by design.
Table 55. ADC clock frequency
Symbol
Parameter
Conditions
Min
Max
Unit
f
ADC
ADC clock
frequency
frequency
Voltage
range 1 & 2
2.4 V
V
DDA
3.6 V
V
REF+ =
V
DDA
0.480
16
MHz
V
REF+
V
DDA
V
REF+
> 2.4 V
8
V
REF+
V
DDA
V
REF+
2.4 V
4
1.8 V
V
DDA
2.4 V
V
REF+ =
V
DDA
8
V
REF+
V
DDA
4
Voltage range 3
4
Table 56. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ Max
Unit
V
DDA
Power supply
-
1.8
-
3.6
V
V
REF+
Positive reference voltage
2.4 V
V
DDA
3.6 V
V
REF+
must be below
or equal to V
DDA
1.8
(1)
-
V
DDA
V
REF-
Negative reference voltage
-
-
V
SSA
-
I
VDDA
Current on the V
DDA
input
pin
-
-
1000
1450
µA
I
VREF
(2)
Current on the V
REF
input
pin
Peak
-
400
700
Average
-
450
V
AIN
Conversion voltage
range
range
(3)
-
0
(4)
-
V
REF+
V
f
S
12-bit sampling rate
Direct channels
-
-
1
Msps
Multiplexed channels
-
-
0.76
10-bit sampling rate
Direct channels
-
-
1.07
Msps
Multiplexed channels
-
-
0.8
8-bit sampling rate
Direct channels
-
-
1.23
Msps
Multiplexed channels
-
-
0.89
6-bit sampling rate
Direct channels
-
-
1.54
Msps
Multiplexed channels
-
-
1