CS42448 Datasheet, PDF (14/70 Pages) Cirrus Logic – 108 dB, 192 kHz 6-in, 8-out CODEC

ADC DIGITAL FILTER CHARACTERISTICS
Parameter (Note 8, 9)
Single Speed Mode (Note 9)
Passband (Frequency Response)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay
Double Speed Mode (Note 9)
Passband (Frequency Response)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay
Quad Speed Mode (Note 9)
Passband (Frequency Response)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay
High Pass Filter Characteristics
Frequency Response -3.0 dB
-0.13 dB
Phase Deviation
@ 20 Hz
Passband Ripple
Filter Settling Time
Min Typ Max Unit
to -0.1 dB corner 0
- 0.4896 Fs
-
-
0.08 dB
0.5688 -
-
Fs
70
-
-
dB
-
12/Fs
-
s
to -0.1 dB corner 0
- 0.4896 Fs
-
-
0.16 dB
0.5604 -
-
Fs
69
-
-
dB
-
9/Fs
-
s
to -0.1 dB corner 0
- 0.2604 Fs
-
-
0.16 dB
0.5000 -
-
Fs
60
-
-
dB
-
5/Fs
-
s
-
1
-
Hz
20
-
Hz
-
10
-
Deg
-
-
0
dB
-
10⁵/Fs
0
s
Notes: 8. Filter response is guaranteed by design.
9. Response is clock dependent and will scale with Fs. Note that the response plots (Figures 32 to 43) have
been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
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DS648PP2