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WM8741
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
High Rate (176.4/192kHz) PCM Filter Response 1
0.000010 dB
0.104fs
Passband
0.000010
dB
Passband Ripple
Stopband
0.500fs
-120.0
dB
dB
fs
Stopband Attenuation
Attenuation at fs/2
Group Delay
Fs/2
-127.5
10
High Rate (176.4/192kHz) PCM Filter Response 2
0.000031 dB
0.104fs
Passband
0.000031
dB
Passband Ripple
Stopband
0.500fs
-120.0
dB
dB
fs
Stopband Attenuation
Attenuation at fs/2
Group Delay
Fs/2
-124.93
4
High Rate (176.4/192kHz) PCM Filter Response 3
0.000873 dB
0.400fs
Passband
0.000873
dB
Passband Ripple
Stopband
0.500fs
-110.1
dB
dB
fs
Stopband Attenuation
Attenuation at fs/2
Group Delay
Fs/2
-112.67
31
High Rate (176.4/192kHz) PCM Filter Response 4
0.000015 dB
0.104fs
Passband
0.000015
dB
Passband Ripple
Stopband
0.400fs
-120.0
dB
dB
fs
Stopband Attenuation
Attenuation at fs/2
Group Delay
Fs/2
-120.58
6
High Rate (176.4/192kHz) PCM Filter Response 5
0.000001 dB
0.104fs
Passband
0.000001
dB
Passband Ripple
Stopband
0.400fs
-122.8
dB
dB
fs
Stopband Attenuation
Attenuation at fs/2
Group Delay
Fs/2
-128.58
18
Table 63 High Rate PCM Filter Characteristics
8FS MODE FILTER CHARACTERISTICS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
8FS Mode Filter
0.000021 dB
0.455
fs
dB
kHz
fs
Passband
0.000021
Passband Ripple
Filter Cut-off
Group Delay
-3dB point
121.13
5
Table 64 8FS Mode Filter Characteristics
PP Rev 1.3 October 2007
51
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
