Datasheet

Electrical Characteristics
MC9S12G Family Reference Manual, Rev.1.23
1216 Freescale Semiconductor
Table A-22. ADC Conversion Performance 5V range (Junction Temperature From +150°C To +160°C)
S12GNA16, S12GNA32
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 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 1.25 mV
2 C Differential Nonlinearity 12-Bit DNL ±2 counts
3 C Integral Nonlinearity 12-Bit INL ±2.5 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 5 mV
6 C Differential Nonlinearity 10-Bit DNL ±0.5 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 20 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