Fusion Family of Mixed Signal FPGAs
Revision 4 2-125
Table 2-51 • Uncalibrated Analog Channel Accuracy*
Worst-Case Industrial Conditions, T
J
= 85°C
Total Channel
Error (LSB)
Channel Input Offset
Error (LSB)
Channel Input Offset
Error (mV)
Channel Gain Error
(%FSR)
Analog
Pad
Prescaler
Range (V)
Neg.
Max. Med.
Pos.
Max.
Neg
Max Med.
Pos.
Max.
Neg.
Max. Med.
Pos.
Max. Min. Typ. Max.
Positive Range ADC in 10-Bit Mode
AV, AC 16 –22 –2 12 –11 –2 14 –169 –32 224 3 0 –3
8 –40 –5 17 –11 –5 21 –87 –40 166 2 0 –4
4 –45 –9 24 –16 –11 36 –63 –43 144 2 0 –4
2 –70 –19 33 –33 –20 66 –66 –39 131 2 0 –4
1 –25 –7 5 –11 –3 26 –11 –3 26 3 –1 –3
0.5 –41 –12 8 –12 –7 38 –6 –4 19 3 –1 –3
0.25 –53 –14 19 –20 –14 40 –5 –3 10 5 0 –4
0.125 –89 –29 24 –40 –28 88 –5 –4 11 7 0 –5
AT 16 –3 9 15 –4 0 4 –64 5 64 1 0 –1
4 –10 2 15 –11 –2 11 –44 –8 44 1 0 –1
Negative Range ADC in 10-Bit Mode
AV, AC 16 –35 –10 9 –24 –6 9 –383 –96 148 5 –1 –6
8 –65 –19 12 –34 –12 9 –268 –99 75 5 –1 –5
4 –86 –28 21 –64 –24 19 –254 –96 76 5 –1 –6
2 –136 –53 37 –115 –42 39 –230 –83 78 6 –2 –7
1 –98 –35 8 –39 –8 15 –39 –8 15 10 –3 –10
0.5 –121 –46 7 –54 –14 18 –27 –7 9 10 –4 –11
0.25 –149 –49 19 –72 –16 40 –18 –4 10 14 –4 –12
0.125 –188 –67 38 –112 –27 56 –14 –3 7 16 –5 –14
Note: *Channel Accuracy includes prescaler and ADC accuracies. For 12-bit mode, multiply the LSB count by 4. For
8-bit mode, divide the LSB count by 4. Gain remains the same.
