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APPENDIX
3.2 Typical characteristics
3.2.5 A-D converter typical characteristics
30
0
-30
1
0
Fig. 3.2.1 A-D conversion characteristics data
Figure 3.2.1 shows the A-D accuracy measurement data.
(1) Non-linearity error ......................... This means a deviation from the ideal characteristics between V
(2) Differencial non-linearity error .... This means a deviation from the ideal characteristics between the
(3) Zero transition error ..................... This means a deviation from the ideal characteristics between the
(4) Full-scale transition error ............. This means a deviation from the ideal characteristics between the
(5) Absolute accuracy ........................ This menas a deviation from the ideal characteristics between 0 to
For the A-D converter characteristics, refer to the section 3.1 Electrical characteristics.
3-14
1LSB WIDTH
ERROR
V
of actual A-D conversion characteristics. In Figure 3.2.1, it is
1022
( – )/1LSB.
input voltages V
to V
0
"1." In Figure 3.2.1, this is
input voltages 0 to V
DD
In Figure 3.2.1, this is the value of
input voltages 0 to V
DD
to "1023." In Figure 3.2.1, this is the value of
V
of actual A-D conversion characteristics. In Figure 3.2.1, this is
DD
the value of ERROR in each of
4513/4514 Group User's Manual
1022 1023
necessary to change the output data to
1022
/1LSB.
when the output data changes from "0" to "1."
.
when the output data changes from "1022"
,
,
and
+1LSB
0
-1LSB
to
0
.
.
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