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WM8960 Fiches technique(PDF) 83 Page - Wolfson Microelectronics plc

No de pièce WM8960
Description  Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications
PDF  92 Pages
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Fabricant  WOLFSON [Wolfson Microelectronics plc]
Site Internet  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8960 Fiches technique(HTML) 83 Page - Wolfson Microelectronics plc

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Production Data
WM8960
w
PD, August 2013, Rev 4.2
83
ADC FILTER RESPONSES
-150
-130
-110
-90
-70
-50
-30
-10
10
Frequency (fs)
Magnitude (dB): Passband Ripple
-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.1
0.00
0.25
Frequency
Figure 38 ADC Digital Filter Frequency Response
Figure 39 ADC Digital Filter Ripple
DAC FILTER RESPONSES
DAC STOPBAND ATTENUATION
The DAC digital filter type is selected by the DACSLOPE register bit as shown in Table 50.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R6 (06h)
ADC and DAC
Control (2)
1
DACSLOPE
0
Selects DAC filter characteristics
0 = Normal mode
1 = Sloping stopband mode
Table 50 DAC Filter Selection
MAGNITUDE(dB)
-150
-130
-110
-90
-70
-50
-30
-10
10
0
0.5
1
1.5
2
2.5
3
Frequency (fs)
MAGNITUDE(dB)
-0.005
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency (fs)
Figure 40 DAC Digital Filter Frequency Response (Normal
Mode)
Figure 41 DAC Digital Filter Ripple (Normal Mode)



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