Datasheet

172
XMEGA A3U [DATASHEET]
Atmel-8386D-AVR-ATxmega64A3U-128A3U-192A3U-256A3U–03/2014
37.1.3 ADC Characteristics
Figure 37-35. INL error vs. external V
REF
.
T = 25  C, V
CC
= 3.6V, external reference.
Figure 37-36. INL error vs. sample rate.
T = 25  C, V
CC
= 2.7V, V
REF
= 1.0V external.
Single-ended unsigned mode
Single-ended signed mode
Differential mode
0.0
0.5
1.0
1.5
2.0
2.5
3.0
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
INL[LSB]
Vref [V]
Single-ended unsigned mode
Single-ended signed mode
Dif f erential mode
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
500 650 800 950 1100 1250 1400 1550 1700 1850 2000
INL[LSB]
ADC sample rate [ksps]