WM8976 Wolfson Microelectronics Ltd., WM8976 Datasheet - Page 100
WM8976
Manufacturer Part Number
WM8976
Description
The WM8976 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8976.pdf
(108 pages)
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Figure 44 ADC Digital Filter Frequency Response
WM8976
DAC FILTER RESPONSES
Figure 40 DAC Digital Filter Frequency Response
(128xOSR)
Figure 42 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 41 DAC Digital Filter Ripple (128xOSR)
Figure 43 DAC Digital Filter Ripple (64xOSR)
Figure 45 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 April 2006
0.35
0.35
0.4
0.4
Pre-Production
0.4
0.45
0.45
0.5
0.5
0.5
100