Datasheet

DS12110 Rev 5 173/231
STM32H743xI Electrical characteristics
199
6.3.27 Operational amplifiers characteristics
Table 96. OPAMP characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply voltage
Range
-23.33.6
V
CMIR
Common Mode Input
Range
-0-V
DDA
VI
OFFSET
Input offset voltage
25°C, no load on output - - ±1.5
mV
All voltages and
temperature, no load
--±2.5
ΔVI
OFFSET
Input offset voltage drift - - ±3.0 - V/°C
TRIMOFFSETP
TRIMLPOFFSETP
Offset trim step at low
common input voltage
(0.1*V
DDA
)
--1.11.5
mV
TRIMOFFSETN
TRIMLPOFFSETN
Offset trim step at high
common input voltage
(0.9*V
DDA
)
--1.11.5
I
LOAD
Drive current - - - 500
A
I
LOAD_PGA
Drive current in PGA mode - - - 270
C
LOAD
Capacitive load - - - 50 pF
CMRR
Common mode rejection
ratio
--80-dB
PSRR
Power supply rejection
ratio
C
LOAD
 50pf /
R
LOAD
 4 k
(2)
at 1 kHz,
V
com
=V
DDA
/2
50 66 - dB
GBW
Gain bandwidth for high
supply range
- 4 7.3 12.3 MHz
SR
Slew rate (from 10% and
90% of output voltage)
Normal mode - 3 -
V/µs
High-speed mode - 30 -
AO Open loop gain - 59 90 129 dB
φm Phase margin - - 55 - °
GM Gain margin - - 12 - dB