CS42406
ADC DIGITAL FILTER RESPONSE The filter characteristics and the X-axis of the response plots
have been normalized to the sample rate (Fs) and can be referenced to the desired sample rate by multiplying the
given characteristic by Fs
.
Parameter
Single-Speed Mode (4 kHz to 50 kHz sample rates)
Min
Typ
Max
Unit
Passband
to -0.1 dB corner
0
-
-
0.49
Fs
dB
Fs
dB
s
Passband Ripple
-
0.035
Stopband
0.57
70
-
-
-
-
-
-
Stopband Attenuation
Total Group Delay
12/Fs
Double-Speed Mode (50 kHz to 100 kHz sample rates)
Passband
to -0.1 dB corner
0
-
-
0.49
Fs
dB
Fs
dB
s
Passband Ripple
-
0.025
Stopband
0.56
69
-
-
-
-
-
-
Stopband Attenuation
Total Group Delay
9/Fs
Quad-Speed Mode (100 kHz to 200 kHz sample rates)
Passband
to -0.1 dB corner
0
-
-
0.26
Fs
dB
Fs
dB
s
Passband Ripple
Stopband
-
0.025
0.50
60
-
-
-
-
-
-
Stopband Attenuation
Total Group Delay
High Pass Filter Characteristics
5/Fs
Frequency Response -3.0 dB
-0.13 dB
-
1
20
-
-
Hz
Hz
(Note 13)
(Note 13)
Phase Deviation
Passband Ripple
@ 20 Hz
-
-
10
-
-
Deg
dB
0
Note: 13. Response shown is for Fs equal to 48 kHz.
16
DS614PP5
CIRRUS [ CIRRUS LOGIC ]
