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M263 Datasheet(PDF) 375 Page - Nuvoton Technology Corporation

Part # M263
Description  Arm짰 Cortex짰-M 32-bit Microcontroller
PDF  398 Pages
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Manufacturer  NUVOTON [Nuvoton Technology Corporation]
Direct Link  http://www.nuvoton.com
Logo NUVOTON - Nuvoton Technology Corporation

M263 Datasheet(HTML) 375 Page - Nuvoton Technology Corporation

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M261/M262/M263
Mar 25, 2020
Page 375 of 398
Rev 1.02
8.5.5
12-bit ADC
8.5.5.1
Fast Speed Channel
Symbol
Parameter
Min.
[*1]
Typ.
Max.
[*1]
Unit
Test Conditions
AVDD
Operating voltage
3.3
-
3.6
V
AVDD = VDD
VREF
Reference voltage
-
AVDD
-
V
TA
Temperature
-40
-
105
℃
IADC
Operating current (AVDD current)
(Enable ADC and disable all other
analog modules)
470
-
520
uA
AVDD = VDD = VREF = 3.3V
ADC Clock Rate = 64 MHz
High speed channel
Resolution
-
-
12
Bit
VIN
ADC channel input voltage
0
-
VREF
V
FADC
ADC Clock frequency
0.14
-
64
MHz
High speed channel
TSMP
Sampling Time
3
-
258
1/FADC
TCONV
Conversion time
17
-
272
1/FADC
TCONV = TSMP + 14
FSPS
Sampling Rate (FADC/TCONV)
-
-
3.76
MSPS
High speed channel
TPU
Power-up time
20
-
-
μs
INL
Integral Non-Linearity Error
-6.6
-
2.7
LSB
VREF = AVDD
DNL
Differential Non-Linearity Error
-1
-
6.6
LSB
VREF = AVDD
EG
Gain error
-0.6
-
2.0
LSB
VREF = AVDD
EOFFSET
Offset error
-0.37
-
3.0
LSB
VREF = AVDD
EA
Absolute Error
-5.94
-
6.5
LSB
VREF = AVDD
CIN
Internal Capacitance
[*1]
-
5
-
pF
-
Monotonic
Guaranteed
-
Note:
1.
Guaranteed by characterization, not tested in production.
2.
REX max formula is used to determine the maximum external impedance allowed for 1/4 LSB error. N = 12 (based
on 12-bit resoluton) and k is the number of sampling clocks (TSMP). CEX represents the capacitance of PCB and pad
and is combined with REX into a low-pass filter. Once the REX and CEX values are too large, it is possible to filter the
real signal and reduce the ADC accuracy.
8.5.5.2
Low Speed Channel
Symbol
Parameter
Min.
[*1]
Typ.
Max.
[*1]
Unit
Test Conditions
AVDD
Operating voltage
1.7
-
3.6
V
AVDD = VDD
VREF
Reference voltage
-
AVDD
-
V
TA
Temperature
-40
-
105
℃



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