ATXMEGA256A3BU Datasheet, PDF (111/143 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A3BUMicrocontroller

Figure 38-41.Gain error vs. V_REF.
T = 25C, V_CC = 3.6V, ADC sampling speed = 500ksps.
4
2
Single-ended signed mode
0
-2
Single-ended unsigned mode
-4
-6
Differential mode
-8
-10
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
V_REF [V]
Figure 38-42.Gain error vs. V_CC.
T = 25C, V_REF = external 1.0V, ADC sampling speed = 500ksps.
3.0
2.5
2.0
1.5
Single-ended signed mode
1.0
0.5
0
Single-ended unsigned mode
-0.5
-1.0
-1.5
Differential mode
-2.0
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
V_CC [V]
XMEGA A3BU [DATASHEET]
8362F–AVR–02/2013
111