Datasheet

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STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC Electrical characteristics
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6.3.20 Temperature sensor characteristics
6.3.21 Comparator
Table 61. Temperature sensor calibration values
Calibration value name Description Memory address
TS_CAL1
TS ADC raw data acquired at
temperature of 30 °C 5 °C
V
DDA
= 3 V 10 mV
0x1FF8 00FA - 0x1FF8 00FB
TS_CAL2
TS ADC raw data acquired at
temperature of 110 °C 5 °C
V
DDA
= 3 V 10 mV
0x1FF8 00FE - 0x1FF8 00FF
Table 62. Temperature sensor characteristics
Symbol Parameter Min Typ Max Unit
T
L
(1)
1. Guaranteed by characterization, 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
110
Voltage at 110°C ±5°C
(2)
2. Measured at V
DD
= 3 V ±10 mV. V110 ADC conversion result is stored in the TS_CAL2 byte.
612 626.8 641.5 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 - -
Table 63. Comparator 1 characteristics
Symbol Parameter Conditions Min
(1)
Typ Max
(1)
Unit
V
DDA
Analog supply voltage - 1.65 3.6 V
R
400K
R
400K
value - - 400 -
k
R
10K
R
10K
value - - 10 -
V
IN
Comparator 1 input
voltage range
-0.6-V
DDA
V
t
START
Comparator startup time - - 7 10
µs
td Propagation delay
(2)
--310
Voffset Comparator offset - - 3 10 mV