wm8750 Wolfson Microelectronics plc, wm8750 Datasheet - Page 55

• Manufacturer Part Number: wm8750
• Description: Stereo Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Production Data
Figure 40 ADC Digital Filter Frequency Response – Type 2
Figure 42 ADC Digital Filter Frequency Response – Type 2
Figure 44 De-emphasis Frequency Response (32kHz)
w
DE-EMPHASIS FILTER RESPONSES
-100
-20
-40
-60
-80
-100
0
-20
-40
-60
-80
-10
-2
-4
-6
-8
0
0
0
0
0
2000
0.5
0.5
4000
1
1
6000
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
1.5
8000
1.5
10000
2
2
12000
2.5
2.5
14000
16000
3
3
Figure 41 ADC Digital Filter Ripple – Type 2
Figure 43 ADC Digital Filter Ripple – Type 3
Figure 45 De-emphasis Error (32kHz)
-0.05
-0.15
-0.25
0.25
0.15
0.05
-0.1
-0.2
0.2
0.1
-0.05
-0.15
-0.25
0.25
0.15
0.05
-0.1
-0.2
-0.1
-0.2
-0.3
-0.4
0
0.2
0.1
0.4
0.3
0.2
0.1
0
0
0
0
0
2000
0.05
0.05
4000
6000
0.1
Frequency (Fs)
0.1
Frequency (Fs)
Frequency (Fs)
8000
0.15
0.15
10000
PD Rev 4.3 October 2006
12000
0.2
0.2
WM8750L
14000
16000
0.25
0.25
55