Datasheet

DS10668 Rev 6 89/126
STM32L031x4/6 Electrical characteristics
96
6.3.17 Comparators
Table 61. Temperature sensor characteristics
Symbol Parameter Min Typ Max Unit
T
L
(1)
1. Guaranteed by characterization results.
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. V130 ADC conversion result is stored in the TS_CAL2 byte.
640 670 700 mV
I
DDA
(TEMP)
(3)
Current consumption - 3.4 6 µA
t
START
(3)
3. Guaranteed by design.
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 62. Comparator 1 characteristics
Symbol Parameter Conditions Min
(1)
Typ Max
(1)
1. Guaranteed by characterization.
Unit
V
DDA
Analog supply voltage - 1.65 3.6 V
R
400K
R
400K
value - - 400 -
kΩ
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)
2. The delay is characterized for 100 mV input step with 10 mV overdrive on the inverting input, the non-
inverting input set to the reference.
--310
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)
3. Comparator consumption only. Internal reference voltage not included.
- - 160 260 nA
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