參數(shù)資料
型號： ST7FL05Y0MBTRE
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16
封裝： 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-16
文件頁數(shù)： 98/104頁
文件大?。?/td> 2151K
代理商： ST7FL05Y0MBTRE
Obsolete
Product(s)
- Obsolete
Product(s)
ST7L05, ST7L09
93/104
ADC CHARACTERISTICS (Cont’d)
TA = -40 to +105°C unless otherwise specified
Table 20. ADC Accuracy with 3.0V
≤ V
DD ≤ 3.6V
Table 21. ADC Accuracy with 4.5V
≤ V
DD ≤ 5.5V
Notes:
1. Data based on characterization results over the whole temperature range, monitored in production.
2. ADC accuracy versus negative injection current: Injecting negative current on any of the analog input pins may reduce
the accuracy of the conversion being performed on another analog input.
The effect of negative injection current on robust pins is specified in Section 13.11 on page 91. Any positive injection cur-
rent within the limits specified for IINJ(PIN) and ΣIINJ(PIN) in Section 13.8 does not affect the ADC accuracy.
3. Data based on characterization results, monitored in production to guarantee 99.73% within ± max value from -40° to
+105°C (± 3
σ distribution limits).
Figure 71. ADC Accuracy Characteristics
Symbol
Parameter
Conditions
Typ
Max3)
Unit
| ET |
Total unadjusted error
fCPU = 4 MHz, fADC = 2 MHz
1)2)
0.7
1.8
LSB
| EO |
Offset error
0.3
0.9
| EG |
Gain error
0.4
1.4
| ED |
Differential linearity error
0.5
0.8
| EL |
Integral linearity error
0.4
0.8
Symbol
Parameter
Conditions
Typ
Max3)
Unit
| ET |
Total unadjusted error
fCPU = 8 MHz, fADC = 4 MHz
1)2)
0.9
2.1
LSB
| EO |
Offset error
0.3
0.9
| EG |
Gain error
0.6
1.5
| ED |
Differential linearity error
0.5
0.9
| EL |
Integral linearity error
0.5
0.8
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
2
345
67
253 254 255 256
(1)
(2)
ET
ED
EL
(3)
VDDA
VSSA
253
1
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