Digital filter characteristics, Cs5361 – Cirrus Logic CS5361 User Manual
Page 7
CS5361
DS467F2
7
DIGITAL FILTER CHARACTERISTICS
Notes: 6. The filter frequency response scales precisely with Fs.
7. Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.
Parameter
Symbol
Min
Typ
Max
Unit
Single Speed Mode (2 kHz to 51 kHz sample rates)
Passband
(-0.1 dB)
(Note 6)
0
-
0.47
Fs
Passband Ripple
-0.1
-
0.035
dB
Stopband
(Note 6)
0.58
-
-
Fs
Stopband Attenuation
-95
-
-
dB
Total Group Delay (Fs = Output Sample Rate)
t
gd
-
12/Fs
-
s
Interchannel Phase Deviation
-
0.0001
-
Deg
Double Speed Mode (50 kHz to 102 kHz sample rates)
Passband
(-0.1 dB)
(Note 6)
0
-
0.45
Fs
Passband Ripple
-0.1
-
0.035
dB
Stopband
(Note 6)
0.68
-
-
Fs
Stopband Attenuation
-92
-
-
dB
Total Group Delay (Fs = Output Sample Rate)
t
gd
-
9/Fs
-
s
Interchannel Phase Deviation
-
0.0001
-
Deg
Quad Speed Mode (100 kHz to 204 kHz sample rates)
Passband
(-0.1 dB)
(Note 6)
0
-
0.24
Fs
Passband Ripple
-0.1
-
0.035
dB
Stopband
(Note 6)
0.78
-
-
Fs
Stopband Attenuation
-92
-
-
dB
Total Group Delay (Fs = Output Sample Rate)
t
gd
-
5/Fs
-
s
Interchannel Phase Deviation
-
0.0001
-
Deg
High-pass Filter Characteristics
Frequency Response
-3.0 dB
-0.13 dB
(Note 7)
-
1
20
-
-
Hz
Hz
Phase Deviation
@ 20 Hz
(Note 7)
-
10
-
Deg
Passband Ripple
-
-
0
dB
Filter Settling Time
10
5
/Fs
s