Datasheet
Electrical Characteristics
MC9S12G Family Reference Manual, Rev.1.23
Freescale Semiconductor 1219
Table A-26. ADC Conversion Performance 3.3V range (Junction Temperature From +150°C To +160°C)
Table A-27. ADC Conversion Performance 3.3V range (Junction Temperature From –40°C To +150°C)
2
These values include the quantization error which is inherently 1/2 count for any A/D converter.
S12GNA16, S12GNA32
Supply voltage 3.13V < V
DDA
< 4.5 V, 150
o
C < T
J
< 160
o
C, V
REF
= V
RH
- V
RL
= V
DDA
, f
ADCCLK
= 8.0MHz
The values are tested to be valid with no port AD output drivers switching simultaneous with conversions.
Num C Rating
1
1
The 8-bit and 10-bit mode operation is structurally tested in production test. Absolute values are tested in 12-bit mode.
Symbol Min Typ Max Unit
1 C Resolution 12-Bit LSB 0.80 mV
2 C Differential Nonlinearity 12-Bit DNL ±3 counts
3 C Integral Nonlinearity 12-Bit INL ±3 counts
4 C Absolute Error
2
2
These values include the quantization error which is inherently 1/2 count for any A/D converter.
12-Bit AE ±4 counts
5 C Resolution 10-Bit LSB 3.22 mV
6 C Differential Nonlinearity 10-Bit DNL ±1 counts
7 C Integral Nonlinearity 10-Bit INL ±1 counts
8 C Absolute Error
2
10-Bit AE ±2 counts
9 C Resolution 8-Bit LSB 12.89 mV
10 C Differential Nonlinearity 8-Bit DNL ±0.3 counts
11 C Integral Nonlinearity 8-Bit INL ±0.5 counts
12 C Absolute Error
2
8-Bit AE ±1 counts
S12GN16, S12GN32, S12GN48, S12G48, S12G64, S12G96, S12G128, S12G192, and S12G240
Supply voltage 3.13V < V
DDA
< 4.5 V, -40
o
C < T
J
< 150
o
C, V
REF
= V
RH
- V
RL
= V
DDA
, f
ADCCLK
= 8.0MHz
The values are tested to be valid with no port AD output drivers switching simultaneous with conversions.
Num C Rating
1
Symbol Min Typ Max Unit
1 P Resolution 10-Bit LSB 3.22 mV
2 P Differential Nonlinearity 10-Bit DNL -1.5 ±1 1.5 counts
3 P Integral Nonlinearity 10-Bit INL -2 ±1 2 counts
4 P Absolute Error
2
10-Bit
3
10-Bit
4
AE -3
-4
±2
±2
3
4
counts
5 C Resolution 8-Bit LSB 12.89 mV
6 C Differential Nonlinearity 8-Bit DNL -0.5 ±0.3 0.5 counts
7 C Integral Nonlinearity 8-Bit INL -1 ±0.5 1 counts
8 C Absolute Error
2
8-Bit AE -1.5 ±1 1.5 counts