Adc Digital Filter Characteristics - Cirrus Logic CS4265 Manual

ADC DIGITAL FILTER CHARACTERISTICS

Parameter (Notes 15, 17)
Single-Speed Mode
Passband
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Double-Speed Mode
Passband
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
Quad-Speed Mode
Passband
Passband Ripple
Stopband
Stopband Attenuation
Total Group Delay (Fs = Output Sample Rate)
High-Pass Filter Characteristics
Frequency Response
Phase Deviation
Passband Ripple
Filter Settling Time
15. Filter response is guaranteed by design.
16. Response shown is for Fs = 48 kHz.
17. Response is clock-dependent and will scale with Fs. Note that the response plots
normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
16
(-0.1 dB)
(-0.1 dB)
(-0.1 dB)
-3.0 dB
-0.13 dB
@ 20 Hz
Symbol Min
0
-
0.5688
70
t -
gd
0
-
0.5604
69
t -
gd
0
-
0.5000
60
t -
gd
-
(Note 16)
(Note 16) -
-
CS4265
Typ Max Unit
- 0.4896 Fs
- 0.035 dB
- - Fs
- - dB
12/Fs - s
- 0.4896 Fs
- 0.025 dB
- - Fs
- - dB
9/Fs - s
- 0.2604 Fs
- 0.025 dB
- - Fs
- - dB
5/Fs - s
1 - Hz
20 - Hz
10 - Deg
- 0 dB
5
10 /Fs s
(Figures 30 to 41) are
DS657F3