CS4922 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS4922

MPEG/G.729A Audio Decoder System

Cirrus Logic 

CS4922

7 DAC FILTER RESPONSE PLOTS

Figures 20 through 23 show the overall frequency

response, passband ripple and transition band for

the CS4922 DACs. Figure 23 shows the DACs’de-

viation from linear phase. Fs is the selected sample

frequency. Since the sample frequency is program-

mable, the filters will adjust to the selected sample

frequency. Fs is also the FSYNC frequency.

Figure 20. DAC Frequency Response

Figure 21. DAC Phase Response

Figure 22. DAC Transition Band

Figure 23. DAC Passband Ripple

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