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STM32L071X8 Datasheet, PDF (93/136 Pages) STMicroelectronics – Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0+, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC
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STM32L071xx
Electrical characteristics
Figure 29. Recommended NRST pin protection
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6.3.15
Note:
670/[[
DLF
1. The reset network protects the device against parasitic resets.
2.
The user must ensure that the
Table 61. Otherwise the reset
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max
level
specified
in
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 62 are derived from tests
performed under ambient temperature, fPCLK frequency and VDDA supply voltage conditions
summarized in Table 25: General operating conditions.
It is recommended to perform a calibration after each power-up.
Table 62. ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
VDDA
Analog supply voltage for
ADC on
Fast channel
Standard channel
1.65
-
1.75(1)
-
3.6
3.6
VREF+
VREF-
IDDA (ADC)
Positive reference voltage
Negative reference voltage
Current consumption of the
ADC on VDDA and VREF+
Current consumption of the
ADC on VDD(2)
-
-
1.14 Msps
10 ksps
1.14 Msps
10 ksps
1.65
-
-
-
-
-
VDDA
0
-
200
-
40
-
70
-
1
-
Voltage scaling Range 1
0.14
-
16
fADC
ADC clock frequency
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
fTRIG(3) External trigger frequency
fADC = 16 MHz,
12-bit resolution
-
-
-
941
-
-
17
VAIN
Conversion voltage range
-
0
-
VREF+
RAIN(3) External input impedance
See Equation 1 and
Table 63 for details
-
-
50
RADC(3)(4) Sampling switch resistance
-
-
-
1
Unit
V
V
µA
MHz
MHz
kHz
1/fADC
V
k
k
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