WM8569_06 Wolfson Microelectronics Ltd., WM8569_06 Datasheet - Page 30
WM8569_06
Manufacturer Part Number
WM8569_06
Description
24-bit, 192khz Stereo Codec with Volume Control
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8569_06.pdf
(36 pages)
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WM8569
DIGITAL FILTER CHARACTERISTICS
Table 11 Digital Filter Characteristics
DAC FILTER RESPONSES
Figure 21 DAC Digital Filter Frequency Response
Figure 23 DAC Digital Filter Frequency Response
w
PARAMETER
Passband
Passband ripple
Stopband
Stopband Attenuation
Passband
Passband ripple
Stopband
Stopband Attenuation
-100
-120
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
0
– 192kHz
– 44.1, 48 and 96kHz
0.5
0.2
1
0.4
Frequency (Fs)
Frequency (Fs)
1.5
TEST CONDITIONS
0.6
f > 0.5465fs
f > 0.555fs
2
0.01 dB
0.05 dB
-6dB
-3dB
0.8
2.5
ADC Filter
DAC Filter
3
1
0.5465fs
0.555fs
MIN
-65
-60
Figure 22 DAC Digital Filter Ripple –44.1, 48 and 96kHz
Figure 24 DAC Digital Filter Ripple – 192kHz
0
-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
0.487fs
0.5fs
0.05
0.05
TYP
0.1
0.1
0.15
0.15
0.4535fs
0.444fs
MAX
0.01
0.05
0.2
0.2
Frequency (Fs)
Frequency (Fs)
0.25
0.25
0.3
0.3
UNIT
dB
dB
dB
dB
PD Rev 4.0 June 2006
0.35
0.35
0.4
0.4
Production Data
0.45
0.45
0.5
0.5
30
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