WM8726 Wolfson Microelectronics plc, WM8726 Datasheet - Page 17
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WM8726
Manufacturer Part Number
WM8726
Description
24-bit 192khz Stereo Dac
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8726.pdf
(22 pages)
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WM8726
DIGITAL FILTER CHARACTERISTICS
Table 6 Digital Filter Characteristics
DAC FILTER RESPONSES
Figure 12
Figure 14 DAC Digital Filter Frequency Response -192kHz
w
Passband Edge
Passband Ripple
Stopband Attenuation
-100
-120
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
0
-44.1, 48 and 96kHz
PARAMETER
0.5
0.2
DAC Digital Filter Frequency Response
1
0.4
Frequency (Fs)
Frequency (Fs)
1.5
0.6
SYMBOL
2
0.8
2.5
TEST CONDITIONS
f < 0.444fs
f > 0.555fs
3
1
-3dB
Figure 13 DAC Digital Filter Ripple
Figure 15 DAC Digital Filter Ripple -192kHz
-0.05
-0.15
0.15
0.05
-0.1
-0.2
-0.2
-0.4
-0.6
-0.8
0.2
0.1
0.2
-1
0
0
0
0
-44.1, 48 and 96kHz
0.05
0.05
MIN
-60
0.1
0.1
0.15
0.15
0.487fs
0.2
0.2
Frequency (Fs)
Frequency (Fs)
TYP
0.25
0.25
0.3
0.3
MAX
0.35
0.35
PD Rev 4.6 May 2008
0.05
Production Data
0.4
0.4
0.45
0.45
UNIT
dB
dB
0.5
0.5
17