WM8501_09 Datasheet, PDF (15/20 Pages) Wolfson Microelectronics plc – 24-bit 192kHz Stereo DAC with 1.7Vrms Line Driver

Production Data
WM8501
DIGITAL DE-EMPHASIS CHARACTERISTICS
0
1
0.5
-2
0
-4
-0.5
-1
-6
-1.5
-2
-8
-2.5
-10
0
2
4
6
8
10
12
14
16
Frequency (kHz)
-3
0
2
4
6
8
10
12
14
16
Frequency (kHz)
Figure 11 De-Emphasis Frequency Response (32kHz)
0
Figure 12 De-Emphasis Error (32kHz)
0.4
0.3
-2
0.2
-4
0.1
0
-6
-0.1
-0.2
-8
-0.3
-10
0
5
10
15
20
Frequency (kHz)
Figure 13 De-Emphasis Frequency Response (44.1kHz)
0
-2
-4
-6
-8
-10
0
5
10
15
20
Frequency (kHz)
Figure 15 De-Emphasis Frequency Response (48kHz)
-0.4
0
5
10
15
Frequency (kHz)
Figure 14 De-Emphasis Error (44.1kHz)
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0
5
10
15
Frequency (kHz)
Figure 16 De-Emphasis Error (48kHz)
20
20
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PD, Rev 4.2, July 2009
15