參數(shù)資料
型號(hào): M37281MAH-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52
封裝: PLASTIC, SHRINK, DIP-52
文件頁(yè)數(shù): 108/158頁(yè)
文件大?。?/td> 1472K
代理商: M37281MAH-XXXSP
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53
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
8.8.8 Definition of A-D Conversion Accuracy
The definition of A-D conversion accuracy is described below (refer
to Figure 8.8.4).
Accuracy is shown the difference between measurement result out-
put code and output code which is expected for A-D conversion whose
specification is ideal by using LSB.
The analog input voltage in accuracy measurement is made to be a
middle point of input voltage width (=1 LSB) which outputs the code
in which the A-D converter with the ideal characteristics is identical.
For example, 1 LSB’s width is 20 mV at VREF = 5.12V.
0 mV, 20 mV, 40 mV and 60 mV are selected for analog input voltage.
A-D conversion accuracy is shown in Fig 8.8.4.
That the output code expected in the ideal A-D converter is “0516
shows that there is actual A-D conversion result with in “0316” to “0716
on the = ±2LSB absolute accuracy, when the analog input voltage is
100 mV.
And, zero error and scale error are contained for the absolute accu-
racy, and the quantization error is not contained.
Fig. 8.8.4 Definition of A-D Conversion Accuracy
Output code
0
Analog input voltage (mV)
20
40
80
100
120
140
160
180
200
220
0016
0116
0216
0316
0416
0516
0616
0716
0816
0916
+ 2LSB
– 2LSB
60
Absolute accuracy
Limitless resolution A-D
conversion characteristics
Ideal A-D conversion
characteristics
相關(guān)PDF資料
PDF描述
M37281MFH-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52
M37410E6HFS 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CQFP80
M37410M3-XXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
M37410M4-XXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
M37414M5-XXXFP 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP72
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37281MFH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37281MKH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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