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STM32L031C6 Datasheet(PDF) 85 Page - STMicroelectronics

Part # STM32L031C6
Description  Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC
PDF  126 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L031C6 Datasheet(HTML) 85 Page - STMicroelectronics

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DS10668 Rev 6
85/126
STM32L031x4/6
Electrical characteristics
96
Figure 28. Recommended NRST pin protection
1. The reset network protects the device against parasitic resets.
2. The external capacitor must be placed as close as possible to the device.
3. The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in
Table 56. Otherwise the reset will not be taken into account by the device.
6.3.15
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 57 are values derived from tests
performed under ambient temperature, fPCLK frequency and VDDA supply voltage conditions
summarized in Table 20: General operating conditions.
Note:
It is recommended to perform a calibration after each power-up.
Table 57. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Analog supply voltage for
ADC on
Fast channel
1.65
-
3.6
V
Standard channel
1.75(1)
-3.6
IDDA (ADC)
Current consumption of the
ADC on VDDA
1.14 Msps
-
200
-
µA
10 ksps
-
40
-
Current consumption of the
ADC on VDD(2)
1.14 Msps
-
70
-
10 ksps
-
1
-
fADC
ADC clock frequency
Voltage scaling Range 1
0.14
-
16
MHz
Voltage scaling Range 2
0.14
-
8
Voltage scaling Range 3
0.14
-
4
fS(3)
Sampling rate
0.05
-
1.14
MHz
fTRIG(3)
External trigger frequency
fADC = 16 MHz
-
-
941
kHz
--
17
1/fADC
VAIN
Conversion voltage range
0
-
VDDA
V
RAIN(3)
External input impedance
See Equation 1 and
Table 58 for details
--
50
k
Ω
RADC(3)(4) Sampling switch resistance
-
-
1
k
Ω
CADC(3)
Internal sample and hold
capacitor
--
8
pF



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