Datasheet

219
XMEGA A3U [DATASHEET]
Atmel-8386D-AVR-ATxmega64A3U-128A3U-192A3U-256A3U–03/2014
Figure 37-128. Offset error vs. V
CC
.
T = 25  C, V
REF
= external 1.0V, ADC sampling speed = 500ksps.
Figure 37-129. Noise vs. V
REF
.
T = 25  C, V
CC
= 3.6V, ADC sampling speed = 500ksps.
Differential mode
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
1.6 1.8 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6
Offset Error [mV]
Vcc [V]
Single-ended unsigned mode
Single-ended signed mode
Differential mode
0.2
0.3
0.3
0.4
0.4
0.5
0.5
0.6
0.6
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
Noise [mV RMS]
Vref [V]