wm8974gefl-v Wolfson Microelectronics plc, wm8974gefl-v Datasheet - Page 79

• Manufacturer Part Number: wm8974gefl-v
• Description: Mono Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

Production Data
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Figure 40 De-emphasis Frequency Response (32kHz)
Figure 42 De-emphasis Frequency Response (44.1kHz)
Figure 44 De-emphasis Frequency Response (48kHz)
DE-EMPHASIS FILTER RESPONSES
-10
-10
-10
-1
-2
-3
-4
-5
-6
-7
-8
-9
-1
-2
-3
-4
-5
-6
-7
-8
-9
-1
-2
-3
-4
-5
-6
-7
-8
-9
0
0
0
0
0
0
2000
5000
4000
5000
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
6000
10000
10000
8000
10000
15000
12000
15000
14000
20000
16000
20000
Figure 45 De-emphasis Error (48kHz)
Figure 41 De-emphasis Error (32kHz)
Figure 43 De-emphasis Error (44.1kHz)
-0.05
-0.10
-0.15
-0.20
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.02
-0.04
-0.06
-0.08
-0.10
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.10
0.08
0.06
0.04
0.02
0.00
0
0
0
2000
5000
4000
5000
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
6000
10000
10000
8000
10000
PD, Rev 4.5, September 2008
15000
12000
15000
14000
20000
16000
20000
WM8974
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