Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual Rev. 1.19
Freescale Semiconductor
1223
Table A-17. ATD Conversion Performance 5V range
Table A-18. ATD Conversion Performance 3.3V range
Conditions are shown in Table A-4. unless otherwise noted.
V
REF
= V
RH
- V
RL
= 5.12V. f
ATDCLK
= 8.3MHz
The values are tested to be valid with no PortAD output drivers switching simultaneous with conversions.
Num C
Rating
1
,
2
1
The 8-bit and 10-bit mode operation is structurally tested in production test. Absolute values are tested in 12-bit mode.
2
Better performance is possible using specially designed multi-layer PCBs or averaging techniques.
Symbol
Min
Typ
Max
Unit
1
P Resolution
12-Bit
LSB
—
1.25
—
mV
2
P Differential Nonlinearity
12-Bit
DNL
-4
±
2
4
counts
3
P Integral Nonlinearity
12-Bit
INL
-5
±
2.5
5
counts
4
P Absolute Error
3
3
These values include the quantization error which is inherently 1/2 count for any A/D converter.
12-Bit
AE
-7
±
4
7
counts
5
C Resolution
10-Bit
LSB
—
5
—
mV
6
C Differential Nonlinearity
10-Bit
DNL
-1
±
0.5
1
counts
7
C Integral Nonlinearity
10-Bit
INL
-2
±
1
2
counts
8
10-Bit
AE
-3
±
2
3
counts
9
C Resolution
8-Bit
LSB
—
20
—
mV
10
C Differential Nonlinearity
8-Bit
DNL
-0.5
±
0.3
0.5
counts
11
C Integral Nonlinearity
8-Bit
INL
-1
±
0.5
1
counts
12
8-Bit
AE
-1.5
±
1
1.5
counts
Conditions are shown in Table A-4. unless otherwise noted.
V
REF
= V
RH
- V
RL
= 3.3V. f
ATDCLK
= 8.3MHz
The values are tested to be valid with no PortAD output drivers switching simultaneous with conversions.
Num C
Rating
1
,
2
1
The 8-bit and 10-bit mode operation is structurally tested in production test. Absolute values are tested in 12-bit mode.
2
Better performance is possible using specially designed multi-layer PCBs or averaging techniques.
Symbol
Min
Typ
Max
Unit
1
P Resolution
12-Bit
LSB
—
0.80
—
mV
2
P Differential Nonlinearity
12-Bit
DNL
-6
±
3
6
counts
3
P Integral Nonlinearity
12-Bit
INL
-7
±
3
7
counts
4
P Absolute Error
3
12-Bit
AE
-8
±
4
8
counts
5
C Resolution
10-Bit
LSB
—
3.22
—
mV
6
C Differential Nonlinearity
10-Bit
DNL
-1.5
±
1
1.5
counts
7
C Integral Nonlinearity
10-Bit
INL
-2
±
1
2
counts
8
10-Bit
AE
-3
±
2
3
counts
9
C Resolution
8-Bit
LSB
—
12.89
—
mV
10
C Differential Nonlinearity
8-Bit
DNL
-0.5
±
0.3
0.5
counts
11
C Integral Nonlinearity
8-Bit
INL
-1
±
0.5
1
counts
12
8-Bit
AE
-1.5
±
1
1.5
counts
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages