Cirrus Logic CS4351 User Manual
Page 8

8
DS566F1
CS4351
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE
(The filter characteristics have been normalized to the sample rate (Fs) and can be referenced to the desired sam-
ple rate by multiplying the given characteristic by Fs. See
Parameter
Fast Roll-Off
Unit
Min Typ
Max
Combined Digital and On-Chip Analog Filter Response - Single-Speed Mode - 48 kHz
to -0.01 dB corner
to -3 dB corner
0
0
-
-
.454
.499
Fs
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
+0.01
dB
StopBand
0.547
-
-
Fs
StopBand Attenuation
102
-
-
dB
Total Group Delay (Fs = Output Sample Rate)
-
9.4/Fs
-
s
Intra-channel Phase Deviation
-
-
±0.56/Fs
s
Inter-channel Phase Deviation
-
-
0
s
De-emphasis Error
Fs = 32 kHz
(Relative to 1 kHz)
Fs = 44.1 kHz
Fs = 48 kHz
-
-
-
-
-
-
±0.23
±0.14
±0.09
dB
dB
dB
Combined Digital and On-Chip Analog Filter Response - Double-Speed Mode - 96 kHz
to -0.01 dB corner
to -3 dB corner
0
0
-
-
.430
.499
Fs
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
dB
StopBand
.583
-
-
Fs
StopBand Attenuation
80
-
-
dB
Total Group Delay (Fs = Output Sample Rate)
-
4.6/Fs
-
s
Intra-channel Phase Deviation
-
-
±0.03/Fs
s
Inter-channel Phase Deviation
-
-
0
s
Combined Digital and On-Chip Analog Filter Response - Quad-Speed Mode - 192 kHz
to -0.01 dB corner
to -3 dB corner
0
0
-
-
.105
.490
Fs
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
dB
StopBand
.635
-
-
Fs
StopBand Attenuation
90
-
-
dB
Total Group Delay (Fs = Output Sample Rate)
-
4.7/Fs
-
s
Intra-channel Phase Deviation
-
-
±0.01/Fs
s
Inter-channel Phase Deviation
-
-
0
s