Cirrus Logic CS5368 - Manual (Page 14)

14 DS624F5
CS5368
DIGITAL FILTER CHARACTERISTICS
Notes:
1. The filter frequency response scales precisely with Fs.
2. Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.
OVERFLOW TIMEOUT
Logic "0" = GND = 0 V; Logic "1" = VLS; C
L
= 30 pF, timing threshold is 50% of VLS.
Parameter Symbol Min Typ Max Unit
Single-Speed Mode (2 kHz to 54 kHz sample rates)
Passband (Note 1) (-0.1 dB) 0
-
0.47 Fs
Passband Ripple -0.035 0.035 dB
Stopband (Note 1) 0.58
-
Fs
Stopband Attenuation -95 dB
Total Group Delay (Fs = Output Sample Rate) t
gd
- 12/Fs s
Double-Speed Mode (54 kHz to 108 kHz sample rates)
Passband (Note 1) (-0.1 dB) 0
-
0.45 Fs
Passband Ripple -0.035 0.035 dB
Stopband (Note 1) 0.68
-
Fs
Stopband Attenuation -92 dB
Total Group Delay (Fs = Output Sample Rate) t
gd
- 9/Fs s
Quad-Speed Mode (108 kHz to 216 kHz sample rates)
Passband (Note 1) (-0.1 dB) 0
-
0.24 Fs
Passband Ripple -0.035 0.035 dB
Stopband (Note 1) 0.78
-
Fs
Stopband Attenuation -92 dB
Total Group Delay (Fs = Output Sample Rate) t
gd
- 5/Fs s
High-Pass Filter Characteristics
Frequency Response (Note 2) -3.0 dB
-0.13 dB
-
1
20
- Hz
Phase Deviation (Note 2) @ 20 Hz
-
10 - Deg
Passband Ripple - 0 dB
Filter Settling Time 10 5 /Fs - s
Parameter Symbol Min Typ Max Unit
OVFL time-out on overrange condition
Fs = 44.1 kHz
Fs = 192 kHz
-
(2
17
-1)/Fs
2972
683
- ms