4.4.1 A/D Converter Power Supply
The analog section is isolated from digital noise generated by other components by way of a
low-pass filter composed of L1, C1, and C2 on the RCM4100 as shown in Figure 12. The
+V analog power supply powers the A/D converter chip.
40
+3.3 V
L1
C1
2.2 nF
Figure 12. Analog Supply Circuit
+V
C2
100 nF
RabbitCore RCM4100
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