DocID022799 Rev 10
109/135
STM32L151xC STM32L152xC
Electrical characteristics
110
1. Guaranteed by characterization results, not tested in production.
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.
3. Comparator consumption only. Internal reference voltage not included.
Table 64. Comparator 2 characteristics
Symbol
Parameter
Conditions
Min Typ Max
(1)
1. Guaranteed by characterization results, not tested in production.
Unit
V
DDA
Analog supply voltage
-
1.65
-
3.6
V
V
IN
Comparator 2 input voltage range
-
0
-
V
DDA
V
t
START
Comparator startup time
Fast mode
-
15
20
µs
Slow mode
-
20
25
t
d slow
Propagation delay
(2)
in slow mode
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.
1.65 V
≤
V
DDA
≤
2.7 V
-
1.8
3.5
2.7 V
≤
V
DDA
≤
3.6 V
-
2.5
6
t
d fast
Propagation delay
in fast mode
1.65 V
≤
V
DDA
≤
2.7 V
-
0.8
2
2.7 V
≤
V
DDA
≤
3.6 V
-
1.2
4
V
offset
Comparator offset error
-
±
4
±
20
mV
dThreshold/
dt
Threshold voltage temperature
coefficient
V
DDA
=
3.3V
T
A
= 0 to 50
°
C
V- =V
REFINT
,
3/4 V
REFINT
,
1/2 V
REFINT
,
1/4 V
REFINT
.
-
15
30
ppm
/°C
I
COMP2
Current consumption
(3)
3. Comparator consumption only. Internal reference voltage (necessary for comparator operation) is not
included.
Fast mode
-
3.5
5
µA
Slow mode
-
0.5
2