Cirrus Logic AN311 - Manual (Page 5)

AN311REV1 5
AN311
Figure 5 illustrates the crystal oscillator circuitry of the CS5530/31/32/33/34 series A/D converters. The figure in-
cludes the part number of a 3.2768 MHz surface mount crystal that is available from FOX as part number
735A-3.768-1.
Figure 5. CS5530/31/32/33/34 Crystal Oscillator Circuit
20pF
The 20 pF capacitors are on-chip and should not be added externally.
CS553x
20pF
-A
1M
3.2768 MHz
Fox FQ1045A Series
P/N 735A-3.2768-1