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STM32L052X6 Datasheet(PDF) 91 Page - STMicroelectronics

Part # STM32L052X6
Description  Ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 64 KB Flash memory, 8 KB SRAM, 2 KB EEPROM, USB, ADC, DAC
PDF  136 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L052X6 Datasheet(HTML) 91 Page - STMicroelectronics

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STM32L052x6 STM32L052x8
110
Figure 27. Recommended NRST pin protection
1. The reset network protects the device against parasitic resets.
2. The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in
Table 62. 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 63 are derived from tests
performed under ambient temperature, fPCLK frequency and VDDA supply voltage conditions
summarized in Table 25: General operating conditions.
Note:
It is recommended to perform a calibration after each power-up.
Table 63. 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 and VREF+
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
12-bit resolution
0.01
-
1.14
MHz
fTRIG(3)
External trigger frequency
fADC = 16 MHz,
12-bit resolution
-
-
941
kHz
--
-
17
1/fADC
VAIN
Conversion voltage range
-
0
-
V
RAIN(3)
External input impedance
See Equation 1 and
Table 64 for details
--
50
k
RADC(3)(4)
Sampling switch resistance
-
-
-
1
k
CADC(3)
Internal sample and hold
capacitor
--
-
8
pF



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