xmega a3u - Elfa
xmega a3u - Elfa
xmega a3u - Elfa
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XMEGA A3U<br />
37.3 ADC Characteristics<br />
Figure 37-35. INL error vs. external V REF .<br />
T = 25°C, V CC = 3.6V, external reference.<br />
INL [LSB]<br />
1.7<br />
1.6<br />
1.5<br />
1.4<br />
1.3<br />
Differential mode<br />
1.2<br />
Single-ended unsigned mode<br />
1.1<br />
1.0<br />
0.9<br />
0.8<br />
Single-ended signed mode<br />
0.7<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 [V]<br />
Figure 37-36. INL error vs. sample rate.<br />
T = 25°C, V CC = 3.6V, V REF = 3.0V external.<br />
1.4<br />
1.3<br />
1.2<br />
Differential mode<br />
Single-ended unsigned mode<br />
INL [LSB]<br />
1.1<br />
1.0<br />
0.9<br />
0.8<br />
Single-ended signed mode<br />
0.7<br />
500 650 800 950 1100 1250 1400 1550 1700 1850 2000<br />
ADC sample rate [ksps]<br />
8386B–AVR–12/11<br />
109
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