參數(shù)資料
型號: ST7PLITE10F1B6
廠商: 意法半導體
英文描述: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 4 TIMERS, SPI
中文描述: 8位單電壓閃存存儲器,數(shù)據(jù)EEPROM,模數(shù)轉(zhuǎn)換器,4定時器,微控制器的SPI
文件頁數(shù): 116/131頁
文件大?。?/td> 2046K
代理商: ST7PLITE10F1B6
ST7LITE1
116/131
ADC CHARACTERISTICS
(Cont’d)
Figure 89. ADC Accuracy Characteristics with amplifier enabled
Note:
When the AMPSEL bit in the ADCDRL register is set, it is mandatory that f
ADC
be less than or equal
to 2 MHz. (if f
CPU
=8MHz. then SPEED=0, SLOW=1).
E
O
E
G
1 LSB
IDEAL
1LSBIDEAL
VDD
VSS
1024
=
V
in
(LSB
IDEAL
)
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
E
=Total Unadjusted Error: maximum deviation
between the actual and the ideal transfer curves.
E
=Offset Error: deviation between the first actual
transition and the first ideal one.
E
=Gain Error: deviation between the last ideal
transition and the last actual one.
E
=Differential Linearity Error: maximum deviation
between actual steps and the ideal one.
E
=Integral Linearity Error: maximum deviation
between any actual transition and the end point
correlation line.
Digital Result ADCDR
704
108
0
1
2
3
4
5
6
7
701 702 703 704
(1)
(2)
E
T
E
D
E
L
(3)
V
SS
430mV
62.5mV
V
in
(OPAMP)
Vin
Vout (ADC input)
Vmax
Vmin
430mV
0V
Noise
(OPAMP input)
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