CS42526
A/D DIGITAL FILTER CHARACTERISTICS
Parameter
Single-Speed Mode (2 to 50 kHz sample rates)
Passband
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Group Delay Variation vs. Frequency
t
gd
∆t
gd
t
gd
∆t
gd
t
gd
∆t
gd
(-0.1 dB)
0
-
0.58
-95
-
-
0
-
0.68
-92
-
-
0
-
0.78
-97
-
-
-
-
-
-
-
-
-
-
12/Fs
-
-
-
-
-
9/Fs
-
-
-
-
-
5/Fs
-
1
20
10
-
10
5
/Fs
0.47
±0.035
-
-
-
0.0
0.45
±0.035
-
-
-
0.0
0.24
±0.035
-
-
-
0.0
-
-
-
0
-
Fs
dB
Fs
dB
s
µs
Fs
dB
Fs
dB
s
µs
Fs
dB
Fs
dB
s
µs
Hz
Hz
Deg
dB
s
Symbol
Min
Typ
Max
Unit
Double-Speed Mode (50 to 100 kHz sample rates)
Passband
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Group Delay Variation vs. Frequency
(-0.1 dB)
Quad-Speed Mode (100 to 192 kHz sample rates)
Passband
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Group Delay Variation vs. Frequency
(-0.1 dB)
High-Pass Filter Characteristics
Frequency Response
Phase Deviation
Passband Ripple
Filter Setting Time
-3.0 dB
-0.13 dB
@ 20 Hz
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.
DS585F1
9
CIRRUS [ CIRRUS LOGIC ]
