ATXMEGA128B1 Datasheet, PDF (105/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller

Figure 37-33.ADC Gain Error vs. V_REF.
SE Unsigned mode, external reference.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
-10.0
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
2.8
V_REF [V]
-40ºC
25ºC
85ºC
3
Figure 37-34.ADC Gain Error vs. V_CC.
Differential signed mode, external reference.
-3.0
-3.5
-4.0
-4.5
-5.0
-5.5
25ºC
-6.0
-40ºC
-6.5
-7.0
85ºC
-7.5
1.6
1.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
V_CC [V]
XMEGA B1 [DATASHEET]
8330C–AVR–07/2012
105