Motorola MC9S12GC-Family ユーザーズマニュアル
Device User Guide — 9S12C128DGV1/D V01.05
102
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.
capacitance and source resistance.
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.
capacitance and source resistance.
Table B-6 ATD Conversion Performance
Conditions are shown in Table A-4 unless otherwise noted
V
V
REF
= V
RH
- V
RL
= 5.12V. Resulting to one 8 bit count = 20mV and one 10 bit count = 5mV
f
ATDCLK
= 2.0MHz
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
P
10-Bit Resolution
LSB
5
mV
2
P
10-Bit Differential Nonlinearity
DNL
–1
1
Counts
3
P
10-Bit Integral Nonlinearity
INL
–2
2
Counts
4
P
10-Bit Absolute Error
1
NOTES
:
1. These values include quantization error which is inherently 1/2 count for any A/D converter.
AE
-2.5
2.5
Counts
5
P
8-Bit Resolution
LSB
20
mV
6
P
8-Bit Differential Nonlinearity
DNL
–0.5
0.5
Counts
7
P
8-Bit Integral Nonlinearity
INL
–1.0
±
0.5
1.0
Counts
8
P
8-Bit Absolute Error
AE
-1.5
±
1
1.5
Counts
Table B-7 ATD Conversion Performance
Conditions are shown in Table A-4 unless otherwise noted
V
V
REF
= V
RH
- V
RL
= 3.328V. Resulting to one 8 bit count = 13mV and one 10 bit count = 3.25mV
f
ATDCLK
= 2.0MHz
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
P
10-Bit Resolution
LSB
3.25
mV
2
P
10-Bit Differential Nonlinearity
DNL
–1.5
1.5
Counts
3
P
10-Bit Integral Nonlinearity
INL
–3.5
±
1.5
3.5
Counts
4
P
10-Bit Absolute Error
1
NOTES
:
1. These values include the quantization error which is inherently 1/2 count for any A/D converter.
AE
-5
±
2.5
5
Counts
5
P
8-Bit Resolution
LSB
13
mV
6
P
8-Bit Differential Nonlinearity
DNL
–0.5
0.5
Counts
7
P
8-Bit Integral Nonlinearity
INL
–1.5
±
1
1.5
Counts
8
P
8-Bit Absolute Error
AE
-2.0
±
1.5
2.0
Counts