Datasheet

Electrical characteristics STM32F303xB STM32F303xC
122/149 DS9118 Rev 14
6.3.21 Operational amplifier characteristics
Table 77. 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
ΔVI
OFFSET
Input offset voltage drift - - 5 - µV/°C
I
LOAD
Drive current - - - 500 µA
IDDOPAMP Consumption
No load,
quiescent mode
- 690 1450 µA
TS_OPAMP_VOUT
ADC sampling time when reading
the OPAMP output.
-400--ns
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 - - kΩ
C
LOAD
Capacitive load - - - 50 pF
VOH
SAT
High saturation voltage
(2)
R
load
= min,
Input at V
DDA
.
V
DDA
-100 - -
mV
R
load
= 20K,
Input at V
DDA
.
V
DDA
-20 - -
VOL
SAT
High saturation voltage
(2)
Rload = min,
input at 0V
--100
Rload = 20K,
input at 0V.
--20
ϕm 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 kΩ,
Follower
configuration
-2.85µs
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