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CS4222 Datasheet, PDF (17/26 Pages) Cirrus Logic – 20-Bit Stereo Audio Codec with Volume Control | |||
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tween the CS4222 ground and the board ground
should be positioned as shown in Figure 11. See
the CDB4222 evaluation board data sheet for
recommended layout of the decoupling compo-
nents.
ADC and DAC Filter Response Plots
Figures 12 through 17 show the overall fre-
quency response, passband ripple and transition
band for the CS4222 ADCâs and DACâs.
CS4222
Digital
Ground
Plane
> 1/8"
+5V
Ferrite
Bead
Ground
Connection
Analog
Ground
Plane
Note that the CS4222
is oriented with its
digital pins towards the
digital end of the board.
CPU & Digital
Logic
Codec
digital
signals
Codec
analog
signals &
components
Figure 11. Suggested Layout Guideline (See CDB4222 Data Sheet)
DS236PP3
17
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