Digital filter characteristics, Cs5351 digital filter characteristics – Cirrus Logic CS5351 User Manual
Page 7
DS565F2
7
CS5351
DIGITAL FILTER CHARACTERISTICS
Notes: 5. The filter frequency response scales precisely with Fs.
6. 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)
0
-
0.47
Fs
Passband Ripple
-0.1
-
0.035
dB
Stopband
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)
0
-
0.45
Fs
Passband Ripple
-0.1
-
0.035
dB
Stopband
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)
0
-
0.24
Fs
Passband Ripple
-0.1
-
0.035
dB
Stopband
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
-
1
20
-
-
Hz
Hz
Phase Deviation
@ 20 Hz
-
10
-
Deg
Passband Ripple
-
-
0
dB
Filter Settling Time
10
5
/Fs
s