ATXMEGA128B1 Datasheet, PDF (104/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller

Figure 37-31.ADC Offset vs. V_CC.
Differential signed mode, V_REF = 1.0V, external reference.
-3
-3.5
-4
-4.5
-5
-5.5
-6
-6.5
-7
-7.5
-8
1.6
1.8
2
2.2
2.4
2.6
2.8
3
V_CC [V]
Figure 37-32.ADC Gain Error vs. V_REF.
Differential signed mode, external reference.
85ºC
25ºC
-40ºC
3.2
3.4
3.6
-1.0
-3.0
-5.0
-7.0
-9.0
-11.0
-13.0
-15.0
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
XMEGA B1 [DATASHEET]
8330C–AVR–07/2012
104