A/D Digital Filter Characteristics - Cirrus Logic CS42518 Manual

A/D DIGITAL FILTER CHARACTERISTICS

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
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
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
High Pass Filter Characteristics
Frequency Response
Phase Deviation
Passband Ripple
Filter Setting Time
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.
DS584PP5
Parameter
(-0.1 dB)
(-0.1 dB)
(-0.1 dB)
-3.0 dB
-0.13 dB
@ 20 Hz
Symbol Min
(Note 5) 0
-
(Note 5) 0.58
-95
t -
gd
∆t
-
gd
(Note 5) 0
-
(Note 5) 0.68
-92
t -
gd
∆t
-
gd
(Note 5) 0
-
(Note 5) 0.78
-97
t -
gd
∆t
-
gd
-
(Note 6)
(Note 6) -
-
-
CS42518
Typ Max Unit
- 0.47 Fs
±0.035
- dB
- - Fs
- - dB
12/Fs - s
µs
- 0.0
- 0.45 Fs
±0.035
- dB
- - Fs
- - dB
9/Fs - s
µs
- 0.0
- 0.24 Fs
±0.035
- dB
- - Fs
- - dB
5/Fs - s
µs
- 0.0
1 - Hz
20 - Hz
10 - Deg
- 0 dB
5
10 /Fs - s
9