Production Data
WM8912
DAC FILTER RESPONSES
MAGNITUDE(dB)
0.04
0.035
0.03
0.025
0.02
0.015
0.01
0.005
0
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
-0.005
Frequency (fs)
Figure 5 DAC Digital Filter Frequency Response; (Normal
Mode); Sample Rate > 24kHz
Figure 6 DAC Digital Filter Ripple (Normal Mode)
MAGNITUDE(dB)
0.05
0
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
-0.05
-0.1
-0.15
-0.2
-0.25
-0.3
-0.35
-0.4
-0.45
-0.5
Frequency (fs)
Figure 7 DAC Digital Filter Frequency Response; (Sloping
Stopband Mode); Sample Rate <= 24kHz
Figure 8 DAC Digital Filter Ripple (Sloping Stopband
Mode)
PD, Rev 4.0, September 2010
19
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