Electrical characteristics
STM32L151xC STM32L152xC
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DocID022799 Rev 10
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 results, not tested in production.
V
SENSE
linearity with temperature
-
±
1
±
2
°C
Avg_Slope
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)
Current consumption
-
3.4
6
µA
t
START
(3)
3. Guaranteed by design, not tested in production.
Startup time
-
-
10
µs
T
S_temp
ADC sampling time when reading the
temperature
4
-
-
Table 63. Comparator 1 characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
(1)
Unit
V
DDA
Analog supply voltage
-
1.65
3.6
V
R
400K
R
400K
value
-
-
400
-
k
Ω
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)
-
-
3
10
Voffset
Comparator offset
-
-
±
3
±
10
mV
d
Voffset
/dt
Comparator offset
variation in worst voltage
stress conditions
V
DDA
=
3.6 V
V
IN+
=
0 V
V
IN-
=
V
REFINT
T
A
= 25
°
C
0
1.5
10
mV/1000 h
I
COMP1
Current consumption
(3)
-
-
160
260
nA