WM8352
Production Data
10
50m
0
0
-10
-20
-50m
-100m
-0.15
-0.2
-30
-40
-50
-60
-70
-80
-0.25
-0.3
-90
-100
-110
-120
-130
-140
-150
-160
-170
-0.35
-0.4
-0.45
-0.5
0
2.205k
4.41k
6.615k
8.82k
11.025k
13.23k
15.435k
17.64k
19.845k
22.05k
0
4.41k
8.82k
13.23k
17.64k
22.05k
26.46k
30.87k
35.28k
39.69k
44.1k
MAGNITUDE(dB)
MA GNITUDE(dB)
Figure 83 DAC Digital Filter Frequency Response (Sloping
Stopband Mode)
Figure 84 DAC Digital Filter Ripple (Sloping Stopband
Mode)
28.2 ADC FILTER RESPONSES
Magnitude (dB) up to fs
Magnitude (dB): Passband Ripple
0.1
0.08
0.06
0.04
0.02
0
20
0
0.00
-20
0.25
0.50
0.75
-40
-60
0.00
-0.02
0.25
-80
-0.04
-0.06
-0.08
-0.1
-100
-120
-140
Frequency
Frequency
Figure 85 ADC Digital Filter Frequency Response
Figure 86 ADC Digital Filter Ripple
PD, February 2011, Rev 4.4
324
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
