Electrical characteristics
6.3.17 Comparator characteristics
Table 58. Comparator characteristics
Symbol
Parameter
Conditions
VDDA
VIN
Analog supply voltage
Comparator input
voltage range
VBG
VSC
tS_SC
Scaler input voltage
Scaler offset voltage
Scaler startup time
from power down
tSTART
Comparator startup
time
Startup time to reach propagation delay
specification
Ultra-low power mode
Propagation delay for Low power mode
200 mV step with 100 Medium power mode
mV overdrive
tD
VDDA ≥ 2.7 V
High speed power mode
VDDA < 2.7 V
Ultra-low power mode
Voffset
dVoffset/dT
Propagation delay for
full range step with 100
mV overdrive
Low power mode
Medium power mode
High speed power mode
VDDA ≥ 2.7 V
VDDA < 2.7 V
Comparator offset error
Offset error
temperature coefficient
Ultra-low power mode
IDD(COMP)
COMP current
consumption
Low power mode
Medium power mode
High speed power mode
STM32F051x
Min Typ Max(1) Unit
2 - 3.6
0
- VDDA
V
- 1.2
- ±5 ±10 mV
- - 0.1 ms
- - 60
µs
- 2 4.5
- 0.7 1.5
µs
- 0.3 0.6
- 50 100
ns
- 100 240
-2
7
- 0.7 2.1
µs
- 0.3 1.2
- 90 180
ns
- 110 300
- ±4 ±10 mV
- 18 - µV/°C
- 1.2 1.5
-3
5
µA
- 10 15
- 75 100
82/105
Doc ID 022265 Rev 3