wm8742 Wolfson Microelectronics plc, wm8742 Datasheet - Page 49

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

Production Data
DIGITAL FILTER CHARACTERISTICS
PCM MODE FILTER CHARACTERISTICS
Low Rate (32/44.1/48kHz) PCM Filter Response 1
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
Low Rate (32/44.1/48kHz) PCM Filter Response 2
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
Low Rate (32/44.1/48kHz) PCM Filter Response 3
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
Low Rate (32/44.1/48kHz) PCM Filter Response 4
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
Low Rate (32/44.1/48kHz) PCM Filter Response 5
Passband
Passband Ripple
Stopband
Stopband Attenuation
Attenuation at fs/2
Group Delay
Table 64 Low Rate PCM Filter Characteristics
w
PARAMETER
TEST CONDITIONS
± 0.000036 dB
± 0.000058 dB
± 0.000066 dB
± 0.000041 dB
± 0.000057dB
Fs/2
Fs/2
Fs/2
Fs/2
0.546fs
0.522fs
0.546fs
0.500fs
0.500fs
-111.8
-111.1
-110.3
-110.4
-111.8
MIN
-116.19
-112.45
-28.07
-6.02
-6.43
TYP
43
47
8
7
8
0.000057
0.000036
0.000058
0.000066
0.000041
0.454fs
0.408fs
0.454fs
0.417fs
0.417fs
MAX
PD, Rev 4.2, August 2009
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
fs
fs
fs
fs
fs
WM8742
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