WM8501 Wolfson Microelectronics plc, WM8501 Datasheet - Page 14

• Manufacturer Part Number: WM8501
• Description: 24-bit 192khz Stereo Dac With 1.7vrms Line Driver
• Manufacturer: Wolfson Microelectronics plc

WM8501
DIGITAL FILTER CHARACTERISTICS
Table 5 Digital Filter Characteristics
DAC FILTER RESPONSES
Figure 7 DAC Digital Filter Frequency Response -
Figure 9 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
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 8 DAC Digital Filter Ripple -
Figure 10 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
PD, Rev 4.2, July 2009
MAX
0.35
0.35
0.05
Production Data
0.4
0.4
0.45
0.45
UNIT
dB
dB
0.5
0.5
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