CS42438_07 Datasheet, PDF (16/61 Pages) Cirrus Logic – 108 dB, 192 kHz 6-In, 8-Out TDM CODEC

ADC DIGITAL FILTER CHARACTERISTICS
CS42438
Parameter (Notes 9, 10)
Single-Speed Mode (Note 10)
Passband (Frequency Response)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay
Double-Speed Mode (Note 10)
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
-
1
-
Hz
20
-
Hz
-
10
-
Deg
-
-
0
dB
-
10⁵/Fs
0
s
Notes:
9. Filter response is guaranteed by design.
10. Response is clock-dependent and will scale with Fs. Note that the response plots (Figures 26 to 33) have
been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
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DS646F2