WM8524
Production Data
DIGITAL FILTER CHARACTERISTICS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC Filter – 256fs to 1152fs
Passband
0.1dB
f > 0.546fs
0.1dB
0.454fs
0.1
Passband Ripple
Stopband
dB
0.546fs
-50
Stopband attenuation
Group Delay
dB
Fs
10
DAC Filter – 128fs and 192fs
Passband
0.247fs
0.1
Passband Ripple
Stopband
dB
0.753fs
-50
Stopband attenuation
Group Delay
f > 0.753fs
dB
Fs
10
TERMINOLOGY
1. Stop Band Attenuation (dB) – the degree to which the frequency spectrum is attenuated (outside audio band)
2. Pass-band Ripple – any variation of the frequency response in the pass-band region
PD, Rev 4.1, October 2011
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