upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 195
upd78f0103hmca1-5a4-a
Manufacturer Part Number
upd78f0103hmca1-5a4-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0103HMCA1-5A4-A.pdf
(438 pages)
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(4) Zero-scale error
(5) Full-scale error
(6) Integral linearity error
(7) Differential linearity error
This shows the difference between the actual measurement value of the analog input voltage and the theoretical
value (1/2LSB) when the digital output changes from 0......000 to 0......001.
If the actual measurement value is greater than the theoretical value, it shows the difference between the actual
measurement value of the analog input voltage and the theoretical value (3/2LSB) when the digital output
changes from 0……001 to 0……010.
This shows the difference between the actual measurement value of the analog input voltage and the theoretical
value (Full-scale − 3/2LSB) when the digital output changes from 1......110 to 1......111.
This shows the degree to which the conversion characteristics deviate from the ideal linear relationship. It
expresses the maximum value of the difference between the actual measurement value and the ideal straight line
when the zero-scale error and full-scale error are 0.
While the ideal width of code output is 1LSB, this indicates the difference between the actual measurement value
and the ideal value.
1 …… 1
0 …… 0
Figure 10-17. Integral Linearity Error
111
011
010
001
000
Figure 10-15. Zero-Scale Error
0
0
Ideal line
Ideal line
1
Analog input (LSB)
2
Analog input
Zero-scale error
Integral linearity
error
3
CHAPTER 10 A/D CONVERTER
AV
AV
User’s Manual U16846EJ3V0UD
REF
REF
Figure 10-18. Differential Linearity Error
1 …… 1
0 …… 0
111
110
000
101
Figure 10-16. Full-Scale Error
0
0
Ideal 1LSB width
AV
Analog input (LSB)
REF
Analog input
–3
Full-scale error
AV
REF
linearity error
Differential
–2
Ideal line
AV
REF
–1
AV
AV
REF
REF
195
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