参数资料
型号: ST7PLITE02F0U6TR
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, QCC20
封装: QFN-20
文件页数: 11/125页
文件大小: 1956K
代理商: ST7PLITE02F0U6TR
ST7LITE0x, ST7LITESx
108/125
ADC CHARACTERISTICS (Cont’d)
Figure 83. ADC Accuracy Characteristics with Amplifier disabled
Figure 84. ADC Accuracy Characteristics with Amplifier enabled
Note: When the AMPSEL bit in the ADCDRL register is set, it is mandatory that fADC be less than or equal
to 2 MHz. (if fCPU=8MHz. then SPEED=0, SLOW=1).
EO
EG
1LSBIDEAL
1LSB
IDEAL
V
DDA
V
SSA
256
-----------------------------------------
=
Vin (LSBIDEAL)
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
ET=Total Unadjusted Error: maximum deviation
between the actual and the ideal transfer curves.
EO=Offset Error: deviation between the first actual
transition and the first ideal one.
EG=Gain Error: deviation between the last ideal
transition and the last actual one.
ED=Differential Linearity Error: maximum deviation
between actual steps and the ideal one.
EL=Integral Linearity Error: maximum deviation
between any actual transition and the end point
correlation line.
Digital Result ADCDR
255
254
5
4
3
2
1
0
7
6
1
234567
253 254 255 256
(1)
(2)
ET
ED
EL
(3)
VDDA
VSSA
253
EO
EG
1LSBIDEAL
Vin (LSBIDEAL)
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
ET=Total Unadjusted Error: maximum deviation
between the actual and the ideal transfer curves.
EO=Offset Error: deviation between the first actual
transition and the first ideal one.
EG=Gain Error: deviation between the last ideal
transition and the last actual one.
ED=Differential Linearity Error: maximum deviation
between actual steps and the ideal one.
EL=Integral Linearity Error: maximum deviation
between any actual transition and the end point
correlation line.
n
=Amplifier Offset
Digital Result ADCDR
n+5
n+4
n+3
n+2
n+1
0
n+7
n+6
1
234567
100 101 102 103
(1)
(2)
ET
ED
EL
(3)
250 mV
VSS
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ST7PLITE02Y0M6 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI
ST7PLITE02Y0M6TR 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI
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