Datasheet

Electrical characteristics STM32F051x
82/105 Doc ID 022265 Rev 3
6.3.17 Comparator characteristics
Table 58. Comparator characteristics
Symbol Parameter Conditions Min Typ Max
(1)
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
Scaler startup time
from power down
--0.1 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 power 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 power 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 power mode - 75 100