WM8731L WOLFSON [Wolfson Microelectronics plc], WM8731L Datasheet - Page 58
WM8731L
Manufacturer Part Number
WM8731L
Description
Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8731L.pdf
(63 pages)
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WM8731 / WM8731L
DIGITAL DE-EMPHASIS CHARACTERISTICS
Figure 51 De-Emphasis Frequency Response (32kHz)
Figure 53 De-Emphasis Frequency Response (44.1kHz)
Figure 55 De-Emphasis Frequency Response (48kHz)
w
-10
-10
-10
-2
-4
-6
-8
-2
-4
-6
-8
-2
-4
-6
-8
0
0
0
0
0
0
2000
5000
5000
4000
6000
10000
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
8000
10000
15000
15000
12000
20000
14000
20000
16000
Figure 52 De-Emphasis Error (32kHz)
Figure 54 De-Emphasis Error (44.1kHz)
Figure 56 De-Emphasis Error (48kHz)
-0.1
-0.2
-0.3
-0.4
-0.1
-0.2
-0.3
-0.4
-0.1
-0.2
-0.3
-0.4
0.4
0.3
0.2
0.1
0.4
0.3
0.2
0.1
0.4
0.3
0.2
0.1
0
0
0
0
0
0
2000
5000
5000
4000
6000
10000
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
8000
PD Rev 4.2 November 2005
10000
15000
15000
12000
20000
Production Data
14000
20000
16000
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