Datasheet

Electrical characteristics STM32L151x6/8/B, STM32L152x6/8/B
104/131 DocID17659 Rev 9
Table 61. Comparator 2 characteristics
Symbol Parameter Conditions Min Typ Max
(1)
1. Based on characterization, not tested in production.
Unit
V
DDA
Analog supply voltage - 1.65 - 3.6 V
V
IN
Comparator 2 input voltage range - 0 - V
DDA
V
t
START
Comparator startup time
Fast mode - 15 20
µs
Slow mode - 20 25
t
d slow
Propagation delay
(2)
in slow mode
2. The delay is characterized for 100 mV input step with 10 mV overdrive on the inverting input, the non-
inverting input set to the reference.
1.65 V ≤ V
DDA
≤
2.7 V
-1.83.5
2.7 V ≤ V
DDA
≤ 3.6 V - 2.5 6
t
d fast
Propagation delay
(2)
in fast mode
1.65 V ≤ V
DDA
≤
2.7 V
-0.8 2
2.7 V ≤ V
DDA
≤ 3.6 V - 1.2 4
V
offset
Comparator offset error - - ±4 ±20 mV
dThreshold/
dt
Threshold voltage temperature
coefficient
V
DDA
= 3.3V
T
A
= 0 to 50 °C
V- = V
REFINT
,
3/4 V
REFINT
,
1/2 V
REFINT
,
1/4 V
REFINT
-15 30
ppm
/°C
I
COMP2
Current consumption
(3)
3. Comparator consumption only. Internal reference voltage (necessary for comparator operation) is not
included.
Fast mode - 3.5 5
µA
Slow mode - 0.5 2