WM8768_10 WOLFSON [Wolfson Microelectronics plc], WM8768_10 Datasheet - Page 33
WM8768_10
Manufacturer Part Number
WM8768_10
Description
24-bit, 192kHz 8-Channel DAC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8768_10.pdf
(38 pages)
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Production Data
DIGITAL FILTER CHARACTERISTICS
Table 17 Digital Filter Characteristics
DAC FILTER RESPONSES
Figure 21 DAC Digital Filter Frequency Response – 44.1,
48 and 96kHz
Figure 23 DAC Digital Filter Frequency Response –
192kHz
w
PARAMETER
DAC Filter
Passband
Passband ripple
Stopband
Stopband Attenuation
Group Delay
-100
-120
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
0
0.5
0.2
1
0.4
Frequency (Fs)
Frequency (Fs)
1.5
TEST CONDITIONS
0.6
f > 0.555fs
2
±0.05 dB
-3dB
0.8
2.5
3
1
0.555fs
MIN
-60
Figure 22 DAC Digital Filter Ripple –44.1, 48 and 96kHz
Figure 24 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
0.487fs
0.05
0.05
TYP
21
0.1
0.1
0.15
0.15
0.444fs
±0.05
MAX
0.2
0.2
Frequency (Fs)
Frequency (Fs)
0.25
0.25
0.3
0.3
UNIT
dB
dB
fs
0.35
0.35
PD Rev 4.3 July 2010
0.4
0.4
WM8768
0.45
0.45
0.5
0.5
33
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