wm8742 Wolfson Microelectronics plc, wm8742 Datasheet - Page 53

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

Production Data
PCM MODE FILTER RESPONSES
Figure 28 Low Rate PCM Filter 1 Frequency Response
Figure 30 Low Rate PCM Filter 2 Frequency Response
Figure 32 Low Rate PCM Filter 3 Frequency Response
w
-100
-150
-200
-100
-150
-200
-100
-150
-200
-50
-50
-50
0
0
0
0
0
0
0.5
0.5
0.5
1
1
1
1.5
1.5
1.5
Frequency (fs)
Frequency (fs)
Frequency (fs)
2
2
2
2.5
2.5
2.5
3
3
3
3.5
3.5
3.5
4
4
4
Figure 29 Low Rate PCM Filter 1 Ripple
Figure 31 Low Rate PCM Filter 2 Ripple
Figure 33 Low Rate PCM Filter 3 Ripple
-0.02
-0.04
-0.06
-0.08
-0.02
-0.04
-0.06
-0.08
-0.02
-0.04
-0.06
-0.08
0.08
0.06
0.04
0.02
0.08
0.06
0.04
0.02
0.08
0.06
0.04
0.02
-0.1
-0.1
-0.1
0.1
0.1
0.1
0
0
0
0
0
0
0.1
0.1
0.1
0.2
0.2
0.2
Frequency (fs)
Frequency (fs)
Frequency (fs)
PD, Rev 4.2, August 2009
0.3
0.3
0.3
0.4
0.4
0.4
WM8742
0.5
0.5
0.5
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