Datasheet

Electrical characteristics STM32F051x4 STM32F051x6 STM32F051x8
82/121 DocID022265 Rev 6
6.3.18 Comparator characteristics
Table 56. 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
First V
REFINT
scaler activation after device
power on
--
1000
(2)
ms
Next activations - - 0.2
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
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.