Datasheet

Electrical characteristics STM32F303xB STM32F303xC
120/149 DS9118 Rev 14
6.3.20 Comparator characteristics
Table 76. Comparator characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply voltage - 2 - 3.6
VV
IN
Comparator input voltage
range
-0-V
DDA
V
BG
Scaler input voltage - - 1.2 -
V
SC
Scaler offset voltage - - ±5 ±10 mV
t
S_SC
V
REFINT
scaler startup
time from power down
First V
REFINT
scaler activation after device
power on
--1
(2)
s
Next activations - - 0.2 ms
t
START
Comparator startup time
Startup time to reach propagation delay
specification
- - 60 µs
t
D
Propagation delay for
200 mV step with 100 mV
overdrive
Ultra-low-power mode - 2 4.5
µsLow-power mode - 0.7 1.5
Medium power mode - 0.3 0.6
High speed mode
V
DDA
2.7 V - 50 100
ns
V
DDA
< 2.7 V - 100 240
Propagation delay for full
range step with 100 mV
overdrive
Ultra-low-power mode - 2 7
µsLow-power mode - 0.7 2.1
Medium power mode - 0.3 1.2
High speed mode
V
DDA
2.7 V - 90 180
ns
V
DDA
< 2.7 V - 110 300
V
offset
Comparator offset error - - ±4 ±10 mV
dV
offset
/dT
Offset error temperature
coefficient
--18-
µV/°
C
I
DD(COMP)
COMP current
consumption
Ultra-low-power mode - 1.2 1.5
µA
Low-power mode - 3 5
Medium power mode - 10 15
High speed mode - 75 100
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