Datasheet

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STM32F303xB STM32F303xC Electrical characteristics
118
6.3.21 Operational amplifier characteristics
Table 72. Operational amplifier characteristics
(1)
Symbol Parameter Condition Min Typ Max Unit
V
DDA
Analog supply voltage 2.4 - 3.6 V
CMIR Common mode input range 0 - V
DDA
V
VI
OFFSET
Input offset voltage
Maximum
calibration range
25°C, No Load
on output.
--4
mV
All
voltage/Temp.
--6
After offset
calibration
25°C, No Load
on output.
--1.6
All
voltage/Temp.
--3
VI
OFFSET
Input offset voltage drift - 5 - µV/°C
I
LOAD
Drive current - - 500 µA
IDDOPAMP Consumption
No load,
quiescent mode
- 690 1450 µA
CMRR Common mode rejection ratio - 90 - dB
PSRR Power supply rejection ratio DC 73 117 - dB
GBW Bandwidth - 8.2 - MHz
SR Slew rate - 4.7 - V/µs
R
LOAD
Resistive load 4 - - k
C
LOAD
Capacitive load - - 50 pF
VOH
SAT
High saturation voltage
R
load
= min,
Input at V
DDA
.
- - 100
mV
R
load
= 20K,
Input at V
DDA
.
--20
VOL
SAT
Low saturation voltage
Rload = min,
input at 0V
- - 100
Rload = 20K,
input at 0V.
--20
m Phase margin - 62 - °
t
OFFTRIM
Offset trim time: during calibration,
minimum time needed between two
steps to have 1 mV accuracy
--2ms
t
WAKEUP
Wake up time from OFF state.
C
LOAD
50 pf,
R
LOAD
 4 k
Follower
configuration
-2.85µs