Datasheet

DS10198 Rev 8 199/270
STM32L476xx Electrical characteristics
238
I
LOAD
Drive current
Normal mode
V
DDA
 2 V
- - 500
µA
Low-power mode - - 100
I
LOAD_PGA
Drive current in
PGA mode
Normal mode
V
DDA
 2 V
- - 450
Low-power mode - - 50
R
LOAD
Resistive load
(connected to
VSSA or to
VDDA)
Normal mode
V
DDA
< 2 V
4--
k
Low-power mode 20 - -
R
LOAD_PGA
Resistive load
in PGA mode
(connected to
VSSA or to
V
DDA
)
Normal mode
V
DDA
< 2 V
4.5 - -
Low-power mode 40 - -
C
LOAD
Capacitive load - - - 50 pF
CMRR
Common mode
rejection ratio
Normal mode - -85 -
dB
Low-power mode - -90 -
PSRR
Power supply
rejection ratio
Normal mode
C
LOAD
 50 pf,
R
LOAD
 4 k DC
70 85 -
dB
Low-power mode
C
LOAD
 50 pf,
R
LOAD
 20 k DC
72 90 -
GBW
Gain Bandwidth
Product
Normal mode
V
DDA
 2.4 V
(OPA_RANGE = 1)
550 1600 2200
kHz
Low-power mode 100 420 600
Normal mode
V
DDA
< 2.4 V
(OPA_RANGE = 0)
250 700 950
Low-power mode 40 180 280
SR
(3)
Slew rate
(from 10 and
90% of output
voltage)
Normal mode
V
DDA
 2.4 V
-700-
V/ms
Low-power mode - 180 -
Normal mode
V
DDA
< 2.4 V
-300-
Low-power mode - 80 -
AO Open loop gain
Normal mode 55 110 -
dB
Low-power mode 45 110 -
V
OHSAT
(3)
High saturation
voltage
Normal mode
I
load
= max or R
load
=
min Input at V
DDA
.
V
DDA
-
100
--
mV
Low-power mode
V
DDA
-
50
--
V
OLSAT
(3)
Low saturation
voltage
Normal mode
I
load
= max or R
load
=
min Input at 0.
- - 100
Low-power mode - - 50

m
Phase margin
Normal mode - 74 -
°
Low-power mode - 66 -
Table 86. OPAMP characteristics
(1)
(continued)
Symbol Parameter Conditions Min Typ Max Unit
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