wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 196

• Manufacturer Part Number: wm8400
• Description: Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
• Manufacturer: Wolfson Microelectronics plc

WM8400
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DAC FILTER RESPONSES
Figure 91 DAC Digital Filter Frequency Response (Normal
Mode)
Figure 93 DAC Digital Filter Frequency Response (Sloping
Stopband Mode)
-110
-130
-150
-110
-130
-150
-10
-30
-50
-70
-90
-10
-30
-50
-70
-90
10
10
0
0
0.5
0.5
1
1
MAGNITUDE(dB)
MAGNITUDE(dB)
Frequency (fs)
Frequency (fs)
1.5
1.5
2
2
2.5
2.5
3
3
Figure 92 DAC Digital Filter Ripple (Normal Mode)
Figure 94 DAC Digital Filter Ripple (Sloping Stopband
Mode)
-0.005
-0.05
-0.15
-0.25
-0.35
-0.45
0.035
0.025
0.015
0.005
0.05
-0.1
-0.2
-0.3
-0.4
-0.5
0.04
0.03
0.02
0.01
0
0
0
0
0.05
0.05
0.1
0.1
0.15
0.15
MAGNITUDE(dB)
MAGNITUDE(dB)
0.2
0.2
Frequency (fs)
Frequency (fs)
0.25
0.25
0.3
0.3
PP, April 2009, Rev 3.0
0.35
0.35
0.4
0.4
Pre-Production
0.45
0.45
0.5
0.5
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