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STM32H7 데이터시트(PDF) 293 Page - STMicroelectronics

부품명 STM32H7
상세설명  32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces
PDF  357 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32H7 데이터시트(HTML) 293 Page - STMicroelectronics

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DS12110 Rev 10
293/357
STM32H742xI/G STM32H743xI/G
Electrical characteristics (rev V)
320
7.3.27
Operational amplifier characteristics
3. Guaranteed by characterization results.
Table 197. Operational amplifier characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Analog supply voltage
Range
-2
3.3
3.6
V
CMIR
Common Mode Input
Range
-0
-
VDDA
VIOFFSET
Input offset voltage
25°C, no load on output
-
-
±1.5
mV
All voltages and
temperature, no load
--
±2.5
ΔVIOFFSET
Input offset voltage drift
-
-
±3.0
-
μV/°C
TRIMOFFSETP
TRIMLPOFFSETP
Offset trim step at low
common input voltage
(0.1*VDDA)
--
1.1
1.5
mV
TRIMOFFSETN
TRIMLPOFFSETN
Offset trim step at high
common input voltage
(0.9*VDDA)
--
1.1
1.5
ILOAD
Drive current
-
-
-
500
μA
ILOAD_PGA
Drive current in PGA mode
-
-
-
270
CLOAD
Capacitive load
-
-
-
50
pF
CMRR
Common mode rejection
ratio
--
80
-
dB
PSRR
Power supply rejection
ratio
CLOAD ≤ 50pf /
RLOAD ≥ 4 kΩ(1) at 1 kHz,
Vcom=VDDA/2
50
66
-
dB
GBW
Gain bandwidth for high
supply range
200 mV ≤ Output dynamic
range ≤ VDDA - 200 mV
47.3
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
200 mV ≤ Output dynamic
range ≤ VDDA - 200 mV
59
90
129
dB
φm
Phase margin
-
-
55
-
°
GM
Gain margin
-
-
12
-
dB
VOHSAT
High saturation voltage
Iload=max or RLOAD=min,
Input at VDDA
VDDA
−100 mV
-
-
mV
VOLSAT
Low saturation voltage
Iload=max or RLOAD=min,
Input at 0 V
-
-
100



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