Appendix B ADC Electricals
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
793
Table B-3. ADC Conversion Performance 5V range (-40
o
C < TJ < 150
o
C)
Supply voltage 4.5V < V
DDA
<5.5V, 4.5V < V
REF
< 5.5V, (V
REF
= V
RH
- V
RL
). f
ADCCLK
= 8.0MHz
The values are tested to be valid with no PortAD output drivers switching simultaneous with conversions.
Num
C
Rating
(1)
1. The 8-bit mode operation is structurally tested in production test. Absolute values are tested in 10-bit mode.
Symbol
Min
Typ
Max
Unit
5
P
Resolution (V
REF
= 5.12V)
10-Bit
LSB
5
mV
6
P
Differential Nonlinearity
10-Bit
DNL
-1
0.5
1
counts
7
P
Integral Nonlinearity
10-Bit
INL
-2
1
2
counts
8
P
Absolute Error
(2)
2. Absolute error includes the quantization error which is inherently 1/2 count for any A/D converter.
10-Bit
AE
-3
2
3
counts
9
C
Resolution (V
REF
= 5.12V)
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
C
Absolute Error
8-Bit
AE
-1.5
1
1.5
counts
