wm8742 Wolfson Microelectronics plc, wm8742 Datasheet - Page 61

• Manufacturer Part Number: wm8742
• Description: 24-bit 192khz Dac With Advanced Digital Filtering
• Manufacturer: Wolfson Microelectronics plc

Production Data
DEEMPHASIS FILTER RESPONSES
Figure 76 De-emphasis Frequency Response (32kHz)
Figure 78 De-emphasis Fequency Response (44.1kHz)
Figure 80 De-emphasis Frequency Response (48kHz)
w
-10.0
-10.0
-10.0
-2.0
-4.0
-6.0
-8.0
-2.0
-4.0
-6.0
-8.0
-2.0
-4.0
-6.0
-8.0
0.0
0.0
0.0
0
0
0
5000
5000
5000
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
10000
10000
10000
15000
15000
15000
20000
20000
20000
Figure 77 De-emphasis Error (32kHz)
Figure 79 De-emphasis Error (44.1kHz)
Figure 81 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
0.0
0.4
0.3
0.2
0.1
0.0
0.4
0.3
0.2
0.1
0.0
0
0
0
5000
5000
5000
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
10000
10000
10000
PD, Rev 4.2, August 2009
15000
15000
15000
WM8742
20000
20000
20000
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