wm8770 Wolfson Microelectronics plc, wm8770 Datasheet - Page 47

• Manufacturer Part Number: wm8770
• Description: 24-bit, 192khz 8-channel Codec With Volume Control
• Manufacturer: Wolfson Microelectronics plc

Production Data
DIGITAL DE-EMPHASIS CHARACTERISTICS
Figure 34 De-Emphasis Frequency Response (32kHz)
Figure 36 De-Emphasis Frequency Response (44.1KHz)
Figure 38 De-Emphasis Frequency Response (48kHz)
w
-10
-10
-10
-2
-4
-6
-8
-2
-4
-6
-8
-2
-4
-6
-8
0
0
0
0
0
0
2
5
5
4
6
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
10
10
8
10
15
15
12
20
14
20
16
Figure 35 De-Emphasis Error (32KHz)
Figure 37 De-Emphasis Error (44.1KHz)
Figure 39 De-Emphasis Error (48kHz)
-0.5
-1.5
-2.5
-0.1
-0.2
-0.3
-0.4
-0.2
-0.4
-0.6
-0.8
0.5
0.4
0.3
0.2
0.1
0.8
0.6
0.4
0.2
-1
-2
-3
-1
1
0
0
1
0
0
0
0
2
5
5
4
6
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
10
10
8
10
15
PD Rev 4.2 March 2008
15
12
20
WM8770
14
20
16
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