CS4265 Datasheet, PDF (14/53 Pages) Cirrus Logic – 105 dB, 24-Bit, 192 kHz Stereo Audio CODEC

CS4265
ADC DIGITAL FILTER CHARACTERISTICS
Parameter (Note 14, 16)
Single Speed Mode
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Double Speed Mode
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Quad Speed Mode
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
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
0
- 0.4896 Fs
-
- 0.035 dB
0.5688 -
-
Fs
70
-
-
dB
t_gd
- 12/Fs -
s
0
- 0.4896 Fs
-
- 0.025 dB
0.5604 -
-
Fs
69
-
-
dB
t_gd
- 9/Fs
-
s
0
- 0.2604 Fs
-
- 0.025 dB
0.5000 -
-
Fs
60
-
-
dB
t_gd
- 5/Fs
-
s
(Note 15)
(Note 15)
-
1
-
Hz
20
-
Hz
-
10
-
Deg
-
-
0
dB
10⁵/Fs
s
Note: 14. Filter response is guaranteed by design.
15. Response shown is for Fs = 48 kHz.
16. Response is clock dependent and will scale with Fs. Note that the response plots (Figures 30 to 41) are
normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
14
DS657A2