Datasheet
Electrical characteristics STM32L011x3/4
84/119 DocID027973 Rev 5
Figure 28. Typical connection diagram using the ADC
1. Refer to Table 54: ADC characteristics for the values of R
AIN
, R
ADC
and C
ADC
.
2. C
parasitic
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
pad capacitance (roughly 7 pF). A high C
parasitic
value will downgrade conversion accuracy. To remedy
this, f
ADC
should be reduced.
6.3.16 Temperature sensor characteristics
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Table 57. Temperature sensor calibration values
Calibration value name Description Memory address
TS_CAL2
TS ADC raw data acquired at
temperature of 130 °C ± 5°C,
V
DDA
= 3 V ± 10 mV
0x1FF8 007E - 0x1FF8 007F
Table 58. Temperature sensor characteristics
Symbol Parameter Min Typ Max Unit
T
L
(1)
1. Guaranteed by characterization results, not tested in production.
V
SENSE
linearity with temperature - ±1 ±2°C
Avg_Slope
(1)
Average slope 1.48 1.61 1.75 mV/°C
V
130
Voltage at 130°C ±5°C
(2)
2. Measured at V
DD
= 3 V ±10 mV. V30 ADC conversion result is stored in the TS_CAL1 byte.
640 670 700 mV
I
DDA
(TEMP)
(3)
Current consumption - 3.4 6 µA
t
START
(3)
3. Guaranteed by design, not tested in production.
Startup time - - 10
µs
T
S_temp
(4)(3)
4. Shortest sampling time can be determined in the application by multiple iterations.
ADC sampling time when reading the
temperature
10 - -
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