xmega a3u - Elfa
xmega a3u - Elfa
xmega a3u - Elfa
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XMEGA A3U<br />
Figure 37-45. Offset error vs. V CC .<br />
T = 25°C, V REF = external 1.0V, ADC sampling speed = 500ksps.<br />
-0.5<br />
-0.6<br />
Offset error [mV]<br />
-0.7<br />
-0.8<br />
-0.9<br />
-1.0<br />
-1.1<br />
Differential mode<br />
-1.2<br />
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6<br />
V CC [V]<br />
Figure 37-46. Noise vs. V REF .<br />
T = 25°C, V CC = 3.6V, ADC sampling speed = 500ksps.<br />
1.30<br />
Noise [mV RMS]<br />
1.15<br />
1.00<br />
0.85<br />
0.70<br />
Single-ended signed mode<br />
Single-ended unsigned mode<br />
0.55<br />
Differential mode<br />
0.40<br />
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0<br />
V REF<br />
[V]<br />
8386B–AVR–12/11<br />
114
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