CS42426_05 Datasheet, PDF (8/73 Pages) Cirrus Logic – 114 dB, 192 kHz 6-Ch Codec with PLL

A/D DIGITAL FILTER CHARACTERISTICS
CS42426
Parameter
Single-Speed Mode (2 to 50 kHz sample rates)
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Group Delay Variation vs. Frequency
Double-Speed Mode (50 to 100 kHz sample rates)
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Group Delay Variation vs. Frequency
Quad-Speed Mode (100 to 192 kHz sample rates)
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Group Delay Variation vs. Frequency
High-Pass Filter Characteristics
Frequency Response
-3.0 dB
-0.13 dB
Phase Deviation
@ 20 Hz
Passband Ripple
Filter Setting Time
Symbol Min Typ Max Unit
(Note 5)
(Note 5)
t_gd
∆t_gd
(Note 5)
(Note 5)
t_gd
∆t_gd
(Note 5)
(Note 5)
t_gd
∆t_gd
(Note 6)
(Note 6)
0
-
0.47 Fs
-
- ±0.035 dB
0.58
-
-
Fs
-95
-
-
dB
- 12/Fs -
s
-
-
0.0
µs
0
-
0.45 Fs
-
- ±0.035 dB
0.68
-
-
Fs
-92
-
-
dB
-
9/Fs
-
s
-
-
0.0
µs
0
-
0.24 Fs
-
- ±0.035 dB
0.78
-
-
Fs
-97
-
-
dB
-
5/Fs
-
s
-
-
0.0
µs
-
1
-
Hz
20
-
Hz
-
10
-
Deg
-
-
0
dB
- 10⁵/Fs -
s
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.
8
DS604F1