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STM32L452xx Electrical characteristics
186
6.3.21 Operational amplifiers characteristics
I
DDA
(COMP)
Comparator consumption
from V
DDA
Ultra-low-
power mode
Static - 400 600
nA
With 50 kHz
±100 mV overdrive
square signal
-1200-
Medium mode
Static - 5 7
µA
With 50 kHz
±100 mV overdrive
square signal
-6-
High-speed
mode
Static - 70 100
With 50 kHz
±100 mV overdrive
square signal
-75-
I
bias
Comparator input bias
current
----
(4)
nA
1. Guaranteed by design, unless otherwise specified.
2. Refer to Table 26: Embedded internal voltage reference.
3. Guaranteed by characterization results.
4. Mostly I/O leakage when used in analog mode. Refer to I
lkg
parameter in Table 71: I/O static characteristics.
Table 85. COMP characteristics
(1)
(continued)
Symbol Parameter Conditions Min Typ Max Unit
Table 86. OPAMP characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply
voltage
(2)
-1.8-3.6V
CMIR
Common mode
input range
-0-V
DDA
V
VI
OFFSET
Input offset
voltage
25 °C, No Load on output. - - ±1.5
mV
All voltage/Temp. - - ±3
VI
OFFSET
Input offset
voltage drift
Normal mode - ±5 -
V/°C
Low-power mode - ±10 -
TRIMOFFSETP
TRIMLPOFFSETP
Offset trim step
at low common
input voltage
(0.1  V
DDA
)
--0.81.1
mV
TRIMOFFSETN
TRIMLPOFFSETN
Offset trim step
at high common
input voltage
(0.9  V
DDA
)
--11.35
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