CS4239 Datasheet, PDF (81/98 Pages) Cirrus Logic – CrystalClear™ Portable ISA Audio System

CS4239
CrystalClear^TM Portable ISA Audio System
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Input Frequency ( x Fs)
Figure 29. DAC Filter Response
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
Input Frequency ( x Fs)
Figure 30. DAC Passband Ripple
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.40
0.45
0.50
0.55
0.60
0.65
0.70
Input Frequency ( x Fs)
Figure 31. DAC Transition Band
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
Input Frequency ( x Fs)
Figure 32. Deviation from Linear Phase
DS253PP2
81