CS5381
DIGITAL FILTER CHARACTERISTICS
Parameter
Symbol Min
Typ
Max
Unit
Single-Speed Mode (2 kHz to 54 kHz sample rates)
Passband
(-0.1 dB)
(Note 6)
(Note 6)
0
-
0.47
Fs
dB
Fs
dB
s
Passband Ripple
Stopband
-0.1
0.58
-95
-
0.035
-
-
-
-
-
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
t
t
t
-
12/Fs
gd
gd
gd
Double-Speed Mode (50 kHz to 108 kHz sample rates)
Passband
(-0.1 dB)
(Note 6)
(Note 6)
0
-0.1
0.68
-92
-
-
0.45
Fs
dB
Fs
dB
s
Passband Ripple
Stopband
-
0.035
-
-
-
-
-
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
9/Fs
Quad-Speed Mode (100 kHz to 216 kHz sample rates)
Passband
(-0.1 dB)
(Note 6)
(Note 6)
0
-0.1
0.78
-97
-
-
0.24
Fs
dB
Fs
dB
s
Passband Ripple
Stopband
-
0.035
-
-
-
-
-
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
5/Fs
High-Pass Filter Characteristics
Frequency Response
-3.0 dB
-0.13 dB
-
1
20
-
-
Hz
Hz
(Note 7)
(Note 7)
Phase Deviation
Passband Ripple
Filter Setting Time
@ 20 Hz
-
-
10
-
-
Deg
dB
s
0
5
10 /Fs
6. The filter frequency response scales precisely with Fs.
7. Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.
DS563F2
7
CIRRUS [ CIRRUS LOGIC ]
