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STM32L151xB Scheda tecnica(PDF) 93 Page - STMicroelectronics

Il numero della parte STM32L151xB
Spiegazioni elettronici  Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC
PDF  133 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L151xB Scheda tecnica(HTML) 93 Page - STMicroelectronics

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STM32L151x6/8/B STM32L152x6/8/B
Electrical characteristics
104
6.3.17
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 54 are guaranteed by design.
Table 53. 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 54. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Power supply
-
1.8
-
3.6
V
VREF+
Positive reference voltage
2.4 V
≤VDDA ≤3.6 V
VREF+ must be below
or equal to VDDA
1.8(1)
-VDDA
V
VREF-
Negative reference voltage
-
-
VSSA
-V
IVDDA
Current on the VDDA input
pin
-
-
1000
1450
µA
IVREF(2)
Current on the VREF input
pin
Peak
-
400
700
µA
Average
-
450
µA
VAIN
Conversion voltage range(3)
-0(4)
-VREF+
V
fS
12-bit sampling rate
Direct channels
0.03
-
1
Msps
Multiplexed channels
0.03
-
0.76
10-bit sampling rate
Direct channels
0.03
-
1.07
Msps
Multiplexed channels
0.03
-
0.8
8-bit sampling rate
Direct channels
0.03
-
1.23
Msps
Multiplexed channels
0.03
-
0.89
6-bit sampling rate
Direct channels
0.03
-
1.45
Msps
Multiplexed channels
0.03
-
1



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