参数资料
型号: MSM66Q573L-TB
厂商: OKI ELECTRIC INDUSTRY CO LTD
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 14 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-100
文件页数: 18/28页
文件大小: 283K
代理商: MSM66Q573L-TB
PEDL66573-02
1Semiconductor
MSM66573 Family
25/28
+
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
Measurement Circuit 2
Definition of Terminology
1. Resolution
Resolution is the value of minimum discernible analog input.
With 10 bits, since 210 = 1024, resolution of (VREF – AGND) ÷ 1024 is possible.
2. Linearity error
Linearity error is the difference between ideal conversion characteristics and actual conversion c
haracteristics of a 10-bit A/D converter (not including quantization error).
Ideal conversion characteristics can be obtained by dividing the voltage between VREF 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 = (VREF – 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.
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