WM8978_06 Wolfson Microelectronics Ltd., WM8978_06 Datasheet - Page 111

• Manufacturer Part Number: WM8978_06
• Description: Stereo Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

Figure 52 ADC Digital Filter Frequency Response
Pre-Production
DAC FILTER RESPONSES
Figure 48 DAC Digital Filter Frequency Response
(128xOSR)
Figure 50 DAC Digital Filter Frequency Response (64xOSR)
ADC FILTER RESPONSES
w
-100
-120
-140
-160
-100
-120
-140
-160
-100
-120
-20
-40
-60
-80
-20
-40
-60
-80
20
20
-20
-40
-60
-80
0
0
0
0
0
0
0.5
0.5
0.5
1
Frequency (Fs)
1
1
Frequency (fs)
Frequency (fs)
1.5
1.5
1.5
2
2
2
2.5
2.5
2.5
3
Figure 49 DAC Digital Filter Ripple (128xOSR)
Figure 51 DAC Digital Filter Ripple (64xOSR)
Figure 53 ADC Digital Filter Ripple
3.05
2.95
2.85
2.75
2.65
3.05
2.95
2.85
2.75
2.65
2.9
2.8
2.7
2.6
2.9
2.8
2.7
2.6
3
3
0
0
-0.05
-0.15
0.15
0.05
-0.1
-0.2
0.2
0.1
0.05
0.05
0
0
0.1
0.1
0.15
0.15
0.1
0.2
0.2
Frequency (Fs)
Frequency (fs)
Frequency (fs)
0.2
0.25
0.25
0.3
0.3
0.3
PP Rev 3.0 May 2006
0.35
0.35
0.4
0.4
0.4
WM8978
0.45
0.45
0.5
0.5
0.5
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