WM8776
Production Data
0.2
0.15
0.1
0
-20
-40
-60
-80
0.05
0
-0.05
-0.1
-0.15
-0.2
0
0.1
0.2
0.3
0.4
0.5
Frequency (Fs)
0
0.2
0.4
0.6
0.8
1
Frequency (Fs)
Figure 29 DAC Digital Filter Ripple – 44.1, 48 and 96kHz
Figure 30 DAC Digital Filter Frequency Response –
192kHz
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency (Fs)
Figure 31 DAC Digital filter Ripple - 192kHz
ADC FILTER RESPONSES
0.02
0.015
0.01
0
-20
-40
-60
-80
0.005
0
-0.005
-0.01
-0.015
-0.02
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0
0.5
1
1.5
2
2.5
3
Frequency (Fs)
Frequency (Fs)
Figure 33 ADC Digital Filter Ripple
Figure 32 ADC Digital Filter Frequency Response
PD Rev 4.0 April 2005
50
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
