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xmega a3u - Elfa

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XMEGA A3U<br />

Figure 37-49. DNL error vs. V REF .<br />

T = 25°C, V CC = 3.6V.<br />

DNL [LSB]<br />

1.4<br />

1.3<br />

1.2<br />

1.1<br />

1.0<br />

0.9<br />

0.8<br />

0.7<br />

-40°C<br />

0.6<br />

0.5<br />

0.4<br />

0.3<br />

25°C<br />

0.2<br />

85°C<br />

0.1<br />

1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0<br />

VREF [V]<br />

Figure 37-50. DAC noise vs. temperature.<br />

V CC = 3.0V, V REF = 2.4V .<br />

0.183<br />

0.181<br />

0.179<br />

Noise [mV RMS]<br />

0.177<br />

0.175<br />

0.173<br />

0.171<br />

0.169<br />

0.167<br />

0.165<br />

-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85<br />

Temperature [ºC]<br />

8386B–AVR–12/11<br />

116

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