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STM32F091xB STM32F091xC Electrical characteristics
99
6.3.18 Comparator characteristics
Table 61. Comparator characteristics
Symbol Parameter Conditions Min
(1)
Typ Max
(1)
Unit
V
DDA
Analog supply voltage - V
DD
-3.6 V
V
IN
Comparator input
voltage range
-0-V
DDA
-
V
SC
V
REFINT
scaler offset
voltage
- - ±5 ±10 mV
t
S_SC
V
REFINT
scaler startup
time from power down
---0.2ms
t
START
Comparator startup
time
Startup time to reach propagation delay
specification
--60µs
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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