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參數(shù)資料
| 型號(hào)： | ML66Q517-NGA |
| 廠商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 11/22頁 |
| 文件大?。?/td> | 189K |
| 代理商： | ML66Q517-NGA |
FEDL66517-02
1Semiconductor
ML66517 Family
18/21
Measurement Circuit 2
Definition of Terminology
1. Resolution
Resolution is the value of minimum discernible analog input.
With 10 bits, since 2
10 = 1024, resolution of (V
REF – AGND) ÷ 1024 is possible.
2. Linearity error
Linearity error is the difference between ideal conversion characteristics and actual conversion characteristics
of a 10-bit A/D converter (not including quantization error).
Ideal conversion characteristics can be obtained by dividing the voltage between V
REF and AGND into 1024
equal steps.
3. Differential linearity error
Differential linearity error indicates the smoothness of conversion characteristics. Ideally, the range of analog
input voltage that corresponds to 1 converted bit of digital output is 1LSB = (V
REF – AGND) ÷ 1024.
Differential error is the difference between this ideal bit size and bit size of an arbitrary point in the conversion
range.
4. Zero scale error
Zero scale error is the difference between ideal conversion characteristics and actual conversion characteristics
at the point where the digital output changes from 000H to 001H.
5. Full-scale error
Full-scale error is the difference between ideal conversion characteristics and actual conversion characteristics
at the point where the digital output changes from 3FEH to 3FFH.
–
+
Analog input
5 k
0.1
F
AI0
AI1
AI7
Cross talk is the difference
between the A/D conversion
results when the same
analog input is applied to AI0
through AI7 and the A/D
conversion results of the
circuit to the left.
to
V
REF or AGND
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