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STM32H747AI Datasheet(PDF) 203 Page - STMicroelectronics

Part # STM32H747AI
Description  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, up to 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI
PDF  252 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H747AI Datasheet(HTML) 203 Page - STMicroelectronics

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DS12930 Rev 1
193/242
STM32H747xI/G
Electrical characteristics
221
6.3.29
Comparator characteristics
Table 110. COMP characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Analog supply voltage
-
1.62
3.3
3.6
V
VIN
Comparator input voltage
range
-0
-
VDDA
VBG
Scaler input voltage
-
(2)
VSC
Scaler offset voltage
-
-
±5
±10
mV
IDDA(SCALER)
Scaler static consumption
from VDDA
BRG_EN=0 (bridge disable)
-
0.2
0.3
µA
BRG_EN=1 (bridge enable)
-
0.8
1
tSTART_SCALER Scaler startup time
-
-
140
250
µs
tSTART
Comparator startup time to
reach propagation delay
specification
High-speed mode
-
2
5
µs
Medium mode
-
5
20
Ultra-low-power mode
-
15
80
tD(3)
Propagation delay for
200 mV step with 100 mV
overdrive
High-speed mode
-
50
80
ns
Medium mode
-
0.5
1.2
µs
Ultra-low-power mode
-
2.5
7
Propagation delay for step
> 200 mV with 100 mV
overdrive only on positive
inputs
High-speed mode
-
50
120
ns
Medium mode
-
0.5
1.2
µs
Ultra-low-power mode
-
2.5
7
Voffset
Comparator offset error
Full common mode range
-
±5
±20
mV
Vhys
Comparator hysteresis
No hysteresis
-
0
-
mV
Low hysteresis
5
10
22
Medium hysteresis
8
20
37
High hysteresis
16
30
52
IDDA(COMP)
Comparator consumption
from VDDA
Ultra-low-
power mode
Static
-
400
600
nA
With 50 kHz
±100 mV overdrive
square signal
-
800
-
Medium mode
Static
-
5
7
µA
With 50 kHz
±100 mV overdrive
square signal
-6
-
High-speed
mode
Static
-
70
100
With 50 kHz
±100 mV overdrive
square signal
-75-
1. Guaranteed by design, unless otherwise specified.
2. Refer to Table 29: Embedded reference voltage.



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