WM8711 Wolfson Microelectronics Ltd., WM8711 Datasheet - Page 33

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WM8711

Manufacturer Part Number
WM8711
Description
Internet Audio DAC With Integrated Headphone Driver
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet

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WM8711
Figure 27 DAC Digital Filter Frequency Response–Type 3
DIGITAL DE-EMPHASIS CHARACTERISTICS
Figure 29 De-Emphasis Frequency Response (32kHz)
Figure 31 De-Emphasis Frequency Response (44.1kHz)
WOLFSON MICROELECTRONICS LTD
-100
-20
-40
-60
-80
-10
-10
-2
-4
-6
-8
-2
-4
-6
-8
0
0
0
0
0
0
2000
0.5
5000
4000
1
6000
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
8000
1.5
10000
15000
2
12000
2.5
14000
20000
16000
3
Figure 28 DAC Digital Filter Ripple–Type 3
Figure 30 De-Emphasis Error (32kHz)
Figure 32 De-Emphasis Error (44.1kHz)
-0.05
-0.15
-0.25
0.05
-0.1
-0.2
-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
0
0
0
0
0
2000
0.05
5000
4000
6000
0.1
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
10000
8000
PP Rev 1.2 November 2000
0.15
10000
15000
12000
0.2
Product Preview
14000
20000
16000
0.25
33

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