CS4272 Datasheet, PDF (16/53 Pages) Cirrus Logic – 24-Bit, 192 kHz Stereo Audio CODEC

CS4272
ADC DIGITAL FILTER CHARACTERISTICS (Note 19)
Parameter
Single Speed Mode
Passband
(-0.1 dB).
Passband Ripple.
Stopband.
Stopband Attenuation.
Group Delay.
Double Speed Mode
Passband
(-0.1 dB).
Passband Ripple.
Stopband.
Stopband Attenuation.
Group Delay.
Quad Speed Mode
Passband
(-0.1 dB).
Passband Ripple.
Stopband.
Stopband Attenuation.
Group Delay.
High Pass Filter Characteristics
Frequency Response -3.0 dB.
-0.13 dB.
Phase Deviation
@ 20 Hz.
Passband Ripple.
Filter Settling Time.
Symbol Min Typ Max Unit
(Note 17)
(Note 17)
t_gd
(Note 17)
(Note 17)
t_gd
(Note 17)
(Note 17)
t_gd
(Note 18)
(Note 18)
0
- 0.47 Fs
-
- ±0.035 dB
0.58 -
-
Fs
-95
-
-
dB
- 12/Fs -
s
0
- 0.45 Fs
-
- ±0.035 dB
0.68 -
-
Fs
-92
-
-
dB
- 9/Fs -
s
0
- 0.24 Fs
-
- ±0.035 dB
0.78 -
-
Fs
-97
-
-
dB
- 5/Fs -
s
-
1
-
Hz
20
-
Hz
-
10
- Deg
-
-
0
dB
10⁵/Fs
s
Notes: 17. The filter frequency response scales precisely with Fs.
18. Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.
19. Plots of this data are contained in the “Appendix” on page 47. See Figure 45 through Figure 56.
16
DS593F1