wm8742 Wolfson Microelectronics plc, wm8742 Datasheet - Page 51

• Manufacturer Part Number: wm8742
• Description: 24-bit 192khz Dac With Advanced Digital Filtering
• Manufacturer: Wolfson Microelectronics plc

Production Data
High Rate (176.4/192kHz) PCM Filter Response 1
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
High Rate (176.4/192kHz) PCM Filter Response 2
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
High Rate (176.4/192kHz) PCM Filter Response 3
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
High Rate (176.4/192kHz) PCM Filter Response 4
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
High Rate (176.4/192kHz) PCM Filter Response 5
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
Table 66 High Rate PCM Filter Characteristics
8FS MODE FILTER CHARACTERISTICS
8FS Mode Filter
Passband
Passband Ripple
Filter Cut-off
Group Delay
Table 67 8FS Mode Filter Characteristics
w
PARAMETER
PARAMETER
TEST CONDITIONS
TEST CONDITIONS
± 0.000010 dB
± 0.000031 dB
± 0.000873 dB
± 0.000015 dB
± 0.000001 dB
± 0.000021 dB
-3dB point
Fs/2
Fs/2
Fs/2
Fs/2
Fs/2
0.500fs
0.500fs
0.500fs
0.400fs
0.400fs
-120.0
-120.0
-110.1
-120.0
-122.8
MIN
MIN
-124.93
-112.67
-120.58
-128.58
121.13
-127.5
TYP
TYP
10
31
18
4
6
5
0.000010
0.000031
0.000873
0.000015
0.000001
0.000021
0.104fs
0.104fs
0.400fs
0.104fs
0.104fs
0.455
MAX
MAX
PD, Rev 4.2, August 2009
UNIT
UNIT
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
fs
fs
fs
fs
fs
fs
fs
WM8742
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