ATXMEGA256A3BU Datasheet, PDF (108/143 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A3BUMicrocontroller

38.3 ADC Characteristics
Figure 38-35.INL error vs. external V_REF.
T = 25C, V_CC = 3.6V, external reference.
1.7
1.6
1.5
1.4
Differential mode
1.3
1.2
Single-ended unsigned mode
1.1
1.0
0.9
0.8
Single-ended signed mode
0.7
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 38-36.INL error vs. sample rate.
T = 25C, V_CC = 3.6V, V_REF = 3.0V external.
1.4
Differential mode
1.3
Single-ended unsigned mode
1.2
1.1
1.0
0.9
0.8
Single-ended signed mode
0.7
500 650 800 950 1100 1250 1400 1550 1700 1850 2000
ADC sample rate [ksps]
XMEGA A3BU [DATASHEET]
8362F–AVR–02/2013
108