Datasheet
Electrical Characteristics
MC9S12G Family Reference Manual, Rev.1.23
1218 Freescale Semiconductor
Table A-24. ADC Conversion Performance 5V range (Junction Temperature From +150°C To +160°C)
Table A-25. ADC Conversion Performance 3.3V range (Junction Temperature From –40°C To +150°C)
S12GN16, S12GN32
Supply voltage 4.5V < V
DDA
< 5.5 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 mode operation is structurally tested in production test. Absolute values are tested in 10-bit mode.
Symbol Min Typ Max Unit
1 C Resolution 10-Bit LSB 5 mV
2 C Differential Nonlinearity 10-Bit DNL ±0.5 counts
3 C Integral Nonlinearity 10-Bit INL ±1 counts
4 C Absolute Error
2
2
These values include the quantization error which is inherently 1/2 count for any A/D converter.
10-Bit
3
10-Bit
4
3
LQFP 48 and bigger
4
LQFP 32 and smaller
AE ±2
±2
counts
5 C Resolution 8-Bit LSB 20 mV
6 C Differential Nonlinearity 8-Bit DNL ±0.3 counts
7 C Integral Nonlinearity 8-Bit INL ±0.5 counts
8 C Absolute Error
2
8-Bit AE ±1 counts
S12GNA16, S12GNA32, S12GAS48, S12GA64, S12GA96, S12GA128, S12GA192 and S12GA240
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
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 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
2
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 C Absolute Error
2
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 C Absolute Error
2
8-Bit AE -1.5 ±1 1.5 counts