Datasheet

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STM32L433xx Electrical characteristics
193
6.3.20 Comparator characteristics
Table 84. COMP characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply voltage - 1.62 - 3.6
VV
IN
Comparator input voltage
range
-0-V
DDA
V
BG
(2)
Scaler input voltage - V
REFINT
V
SC
Scaler offset voltage - - ±5 ±10 mV
I
DDA
(SCALER)
Scaler static consumption
from V
DDA
BRG_EN=0 (bridge disable) - 200 300 nA
BRG_EN=1 (bridge enable) - 0.8 1 µA
t
START_SCALER
Scaler startup time - - 100 200 µs
t
START
Comparator startup time to
reach propagation delay
specification
High-speed
mode
V
DDA
 2.7 V - - 5
µs
V
DDA
< 2.7 V - - 7
Medium mode
V
DDA
 2.7 V - - 15
V
DDA
< 2.7 V - - 25
Ultra-low-power mode - - 40
t
D
(3)
Propagation delay with
100 mV overdrive
High-speed
mode
V
DDA
 2.7 V - 55 80
ns
V
DDA
< 2.7 V - 65 100
Medium mode - 0.55 0.9
µs
Ultra-low-power mode - 4 7
V
offset
Comparator offset error
Full common
mode range
--±5±20mV
V
hys
Comparator hysteresis
No hysteresis - 0 -
mV
Low hysteresis - 8 -
Medium hysteresis - 15 -
High hysteresis - 27 -
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