WM8741 Wolfson Microelectronics plc, WM8741 Datasheet - Page 62

• Manufacturer Part Number: WM8741
• Description: 24-bit 192khz Dac With Advanced Digital Filtering
• Manufacturer: Wolfson Microelectronics plc

WM8741
DEEMPHASIS FILTER RESPONSES
Figure 76 De-emphasis frequency response (32kHz)
Figure 78 De-emphasis frequency 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 4.1, August 2009
15000
15000
15000
Production Data
20000
20000
20000
62