CS4349
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. Amplitude vs. Frequency plots of this data are available in the
“Filter Plots” on page 36.
Parameter
Min
Typ
Max
Unit
Fast Roll-Off
Passband (Note 5)
-0.01 dB corner (Single Speed)
-0.1 dB corner (Double Speed)
-0.2 dB corner (Quad Speed)
0
-
.454
.42
Fs
Fs
Fs
Fs
dB
dB
Fs
dB
s
0
-
0
-
.27
-3 dB corner (All Speed Modes)
Single Speed
0
-
.499
+0.01
+0.02
-
Frequency Response 10 Hz to 20 kHz
-0.01
-
Double Speed, Quad Speed
-0.02
-
StopBand
0.547
-
Stop-Band Attenuation (Note 6)
102
-
-
Total Group Delay (Fs = Output Sample Rate)
Intra-channel Phase Deviation
Inter-channel Phase Deviation
De-emphasis Error (Note 7)
(Relative to 1 kHz)
-
-
-
-
-
-
9.4/Fs
-
-
-
-
-
-
±0.56/Fs
0
s
s
Fs = 32 kHz
Fs = 44.1 kHz
Fs = 48 kHz
±0.23
±0.14
±0.09
dB
dB
dB
Slow Roll-Off (Note 8)
Passband (Note 5)
-0.01 dB corner (Single Speed)
-0.1 dB corner (Double Speed)
-0.2 dB corner (Quad Speed)
-3 dB corner (All Speed Modes)
Single Speed
0
-
0.417
.37
Fs
Fs
Fs
Fs
dB
dB
Fs
dB
s
0
-
0
-
.27
0
-
.499
+0.01
+0.02
-
Frequency Response 10 Hz to 20 kHz
-0.01
-
Double Speed, Quad Speed
-0.02
-
StopBand
.583
-
Stop-Band Attenuation (Note 6)
64
-
-
-
Total Group Delay (Fs = Output Sample Rate)
Intra-channel Phase Deviation
Inter-channel Phase Deviation
De-emphasis Error (Note 7)
(Relative to 1 kHz)
6.5/Fs
-
-
-
-
-
-
-
±0.14/Fs
0
s
-
s
Fs = 32 kHz
Fs = 44.1 kHz
Fs = 48 kHz
-
±0.23
±0.14
±0.09
dB
dB
dB
-
-
Notes: 5. Response is clock dependent.
6. The Measurement Bandwidth is from stopband to 3 Fs.
7. De-emphasis is available only in Single-Speed Mode; Only 44.1 kHz De-emphasis is available in Stand-
Alone Mode.
8. Slow Roll-off interpolation filter is only available in Control Port Mode.
12
DS782F1
CIRRUS [ CIRRUS LOGIC ]
