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GD32H757VMT7 Datasheet(PDF) 113 Page - GigaDevice Semiconductor (Beijing) Inc.

Part # GD32H757VMT7
Description  Arm® Cortex®-M7 32-bit MCU
PDF  151 Pages
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Manufacturer  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Direct Link  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD32H757VMT7 Datasheet(HTML) 113 Page - GigaDevice Semiconductor (Beijing) Inc.

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GD32H757xx Datasheet
112
Symbol
Parameter
Conditions
Min
Typ Max Unit
VAIN
Conversion
voltage
range
—
0
—
VREF
P
V
VCMIV
Common
mode input
voltage
—
VREFP/
2-
10%
VREFP/
2
VREF
P
/2-
10%
RAIN
External
input
impedance
Resolution = 12 bits
—
—
109
k
Ω
Resolution = 10 bits
—
—
128
Resolution = 8 bits
—
—
153
Resolution = 6 bits
—
—
192
RADC
Internal
resistance
—
—
250
—
Ω
CADC
Input
capacitanc
e
—
—
7.5
—
pF
tSTAB
ADC
Power-up
time
—
-
1
—
μs
tOFF_ CAL
Offset
calibration
time
—
46
—
— 1/fADC
ts
Sampling
time
—
2.5
—
640.
5
1/fADC
tCONV
Total
conversion
time
(including
sampling
time)
Resolution = N bits
3+N
—
— 1/ fADC
(1)
Value guaranteed by design, not 100% tested in production.
(2)
Depending on the package, VREFP can be internally connected to VDDA and VREFN to VSSA.
(3)
VREFP should always be equal to or less than VDDA, especially during power up.
Table 4-36. ADC RAIN max for fADC = 80 MHz (12-bit ADC) (1)(2)
Resolution
Sampling cycles @ 80 MHz
RAIN max (kΩ)
12 bits
2.5
0.17
6.5
0.86
12.5
1.89
24.5
3.95
47.5
7.90
92.5
15.6
247.5
42.2



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