Cs4392 – Cirrus Logic CS4392 User Manual
Page 26
CS4392
26
DS459PP3
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE
(The
filter characteristics and the X-axis of the response plots have been normalized to the sample rate (Fs) and can be
referenced to the desired sample rate by multiplying the given characteristic by Fs.)
Parameter
Fast Roll-Off
Unit
Min Typ
Max
Single-Speed Mode - (4 kHz to 50 kHz sample rates)
Passband
to -0.01 dB corner
to -3 dB corner
0
0
-
-
0.454
0.499
Fs
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
+0.01
dB
StopBand
0.547
-
-
Fs
StopBand Attenuation
(Note 4)
90
-
-
dB
Group Delay
-
12/Fs
-
s
Passband Group Delay Deviation
0 - 20 kHz
-
-
±0.41/Fs
s
De-emphasis Error (Relative to 1kHz)
Fs = 32 kHz
(Note 5)
Fs = 44.1 kHz
Fs = 48 kHz
-
-
-
-
-
-
±0.23
±0.14
±0.09
dB
dB
dB
Double-Speed Mode - (50 kHz to 100 kHz sample rates)
Passband
to -0.01 dB corner
to -3 dB corner
0
0
-
-
0.430
0.499
Fs
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
dB
StopBand
0.583
-
-
Fs
StopBand Attenuation
(Note 4)
80
-
-
dB
Group Delay
-
4.6/Fs
-
s
Passband Group Delay Deviation
0 - 20 kHz
-
-
±0.03/Fs
s
Quad Speed Mode - (100 kHz to 200 kHz)
Passband
to -0.01 dB corner
to -3 dB corner
0
0
-
-
0.105
0.490
Fs
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
dB
StopBand
0.635
-
-
Fs
StopBand Attenuation
(Note 4)
90
-
-
dB
Group Delay
-
4.7/Fs
-
s
Passband Group Delay Deviation
0 - 20 kHz
-
-
±0.01/Fs
s
DSD Mode
Passband
to -0.1 dB corner
to -3 dB corner
0
0
-
-
20
120
kHz
kHz
Frequency Response 10 Hz to 20 kHz
-.01
-
0.1
dB