DocID022799 Rev 10
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STM32L151xC STM32L152xC
Electrical characteristics
110
PSRR
Power supply
rejection ratio
Normal mode
DC
-
-85
-
dB
Low-power mode
-
-90
-
GBW
Bandwidth
Normal mode
V
DD
>2.4 V
400
1000
3000
kHZ
Low-power mode
150
300
800
Normal mode
V
DD
<2.4 V
200
500
2200
Low-power mode
70
150
800
SR
Slew rate
Normal mode
V
DD
>2.4 V
(between 0.1 V and
V
DD
-0.1 V)
-
700
-
V/ms
Low-power mode
V
DD
>2.4 V
-
100
-
Normal mode
V
DD
<2.4 V
-
300
-
Low-power mode
-
50
-
AO
Open loop gain
Normal mode
55
100
-
dB
Low-power mode
65
110
-
R
L
Resistive load
Normal mode
V
DD
<2.4 V
4
-
-
k
Ω
Low-power mode
20
-
-
C
L
Capacitive load
-
-
-
50
pF
VOH
SAT
High saturation
voltage
Normal mode
I
LOAD
= max or
R
L
= min
V
DD
-
100
-
-
mV
Low-power mode
V
DD
-50
-
-
VOL
SAT
Low saturation
voltage
Normal mode
-
-
100
Low-power mode
-
-
50
ϕ
m
Phase margin
-
-
60
-
°
GM
Gain margin
-
-
-12
-
dB
t
OFFTRIM
Offset trim time: during calibration,
minimum time needed between two
steps to have 1 mV accuracy
-
-
1
-
ms
t
WAKEUP
Wakeup time
Normal mode
C
L
≤
50 pf,
R
L
≥
4 k
Ω
-
10
-
µs
Low-power mode
C
L
≤
50 pf,
R
L
≥
20 k
Ω
-
30
-
1. Operating conditions are limited to junction temperature (0 °C to 105 °C) when V
DD
is below 2 V. Otherwise to the full
ambient temperature range (-40 °C to 85 °C, -40 °C to 105 °C).
2. Guaranteed by characterization results, not tested in production.
Table 60. Operational amplifier characteristics (continued)
Symbol
Parameter
Condition
(1)
Min
(2)
Typ
Max
(2)
Unit