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Device User Guide — 9S12C128DGV1/D V01.05
B.4.4 ATD accuracy (5V Range)
Table B-6 specifies the ATD conversion performance excluding any errors due to current injection, input
capacitance and source resistance.
Conditions are shown in Table A-4 unless otherwise noted
V
= V
- V
= 5.12V. Resulting to one 8 bit count = 20mV and one 10 bit count = 5mV
REF
RH
RL
f
= 2.0MHz
ATDCLK
Num
C
1
P
10-Bit Resolution
2
P
10-Bit Differential Nonlinearity
3
P
10-Bit Integral Nonlinearity
4
P
10-Bit Absolute Error
5
P
8-Bit Resolution
6
P
8-Bit Differential Nonlinearity
7
P
8-Bit Integral Nonlinearity
8
P
8-Bit Absolute Error
NOTES:
1. These values include quantization error which is inherently 1/2 count for any A/D converter.
B.4.5 ATD accuracy (3.3V Range)
Table B-6 specifies the ATD conversion performance excluding any errors due to current injection, input
capacitance and source resistance.
Conditions are shown in Table A-4 unless otherwise noted
V
= V
- V
= 3.328V. Resulting to one 8 bit count = 13mV and one 10 bit count = 3.25mV
REF
RH
RL
f
= 2.0MHz
ATDCLK
Num
C
1
P
10-Bit Resolution
2
P
10-Bit Differential Nonlinearity
3
P
10-Bit Integral Nonlinearity
4
P
10-Bit Absolute Error
5
P
8-Bit Resolution
6
P
8-Bit Differential Nonlinearity
7
P
8-Bit Integral Nonlinearity
8
P
8-Bit Absolute Error
NOTES:
1. These values include the quantization error which is inherently 1/2 count for any A/D converter.
102
Table B-6 ATD Conversion Performance
Rating
1
(1)
Table B-7 ATD Conversion Performance
Rating
1
(1)
Symbol
Min
LSB
DNL
–1
INL
–2
AE
-2.5
LSB
DNL
–0.5
INL
–1.0
AE
-1.5
Symbol
Min
LSB
DNL
–1.5
INL
–3.5
AE
-5
LSB
DNL
–0.5
INL
–1.5
AE
-2.0
Typ
Max
5
1
Counts
2
Counts
2.5
Counts
20
0.5
Counts
0.5
1.0
Counts
1
1.5
Counts
Typ
Max
Unit
3.25
mV
1.5
Counts
1.5
3.5
Counts
2.5
5
Counts
13
mV
0.5
Counts
1
1.5
Counts
1.5
2.0
Counts
Unit
mV
mV
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