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STM32L151XE датащи(PDF) 102 Page - STMicroelectronics

номер детали STM32L151XE
подробное описание детали  Ultra-low-power platform
PDF  134 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
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STM32L151XE датащи(HTML) 102 Page - STMicroelectronics

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Electrical characteristics
STM32L151xE STM32L152xE
102/134
DocID025433 Rev 8
6.3.17
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 55 are guaranteed by design.
Table 54. ADC clock frequency
Symbol Parameter
Conditions
Min
Max
Unit
fADC
ADC clock
frequency
Voltage
range 1 & 2
2.4 V
≤VDDA ≤3.6 V
VREF+ = VDDA
0.480
16
MHz
VREF+ < VDDA
VREF+ > 2.4 V
8
VREF+ < VDDA
VREF+ ≤2.4 V
4
1.8 V
≤VDDA ≤2.4 V
VREF+ = VDDA
8
VREF+ < VDDA
4
Voltage range 3
4
Table 55. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Power supply
-
1.8
-
3.6
V
VREF+
Positive reference voltage
-
1.8(1)
-VDDA
VREF-
Negative reference voltage
-
-
VSSA
-
IVDDA
Current on the VDDA input pin
-
-
1000
1450
µA
IVREF(2) Current on the VREF input pin
Peak
-
400
700
Average
-
450
VAIN
Conversion voltage range(3)
-0(4)
-VREF+
V
fS
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
-
-
1.45
Msps
Multiplexed channels
-
-
1



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