Datasheet

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STM32L052x6 STM32L052x8 Electrical characteristics
112
Table 70. Comparator 2 characteristics
Symbol Parameter Conditions Min Typ Max
(1)
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
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
(2)
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)
Fast mode - 3.5 5
µA
Slow mode - 0.5 2
1. Guaranteed by characterization results.
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 (required for comparator operation) is not included.
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