Cirrus Logic CS5341 - Manual (Page 7)

DS564F2 7
CS5341
Confidential Draft
3/11/08
DIGITAL FILTER CHARACTERISTICS
7. Filter characteristics scale precisely with Fs
8. Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.
Parameter Symbol Min Typ Max Unit
Single-Speed Mode
Passband (-0.1 dB) (Note 7) 0 - 0.4895 Fs
Passband Ripple -0.035 - 0.035 dB
Stopband (Note 7) 0.5687 - - Fs
Stopband Attenuation 70 - - dB
Total Group Delay (Fs = Output Sample Rate) t
gd
- 12/Fs - s
Double-Speed Mode
Passband (-0.1 dB) (Note 7) 0 - 0.4895 Fs
Passband Ripple -0.025 - 0.025 dB
Stopband (Note 7) 0.5604 - - Fs
Stopband Attenuation 69 - - dB
Total Group Delay (Fs = Output Sample Rate) t
gd
- 9/Fs - s
Quad-Speed Mode
Passband (-0.1 dB) (Note 7) 0 - 0.2604 Fs
Passband Ripple -0.025 - 0.025 dB
Stopband (Note 7) 0.5 - - Fs
Stopband Attenuation 60 - - dB
Total Group Delay (Fs = Output Sample Rate) t
gd
- 5/Fs - s
High-Pass Filter Characteristics
Frequency Response -3.0 dB
-0.13 dB
(Note 8)
- 1
20
-
- Hz
Hz
Phase Deviation @ 20 Hz (Note 8) - 10 - Deg
Passband Ripple - - 0 dB