CS4392 查看數據表（PDF） - Cirrus Logic
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CS4392 Datasheet PDF : 40 Pages
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CS4392
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE (Cont.)
Slow Roll-Off (Note 3)
Parameter
Min
Typ
Max
Unit
Single-Speed Mode - (4 kHz to 50 kHz sample rates)
Passband
to -0.01 dB corner
0
-
0.417
Fs
to -3 dB corner
0
-
0.499
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
+0.01
dB
StopBand
0.583
-
-
Fs
StopBand Attenuation
(Note 4)
64
-
-
dB
Group Delay
-
6.5/Fs
-
s
Passband Group Delay Deviation
0 - 20 kHz
-
±0.14/Fs s
De-emphasis Error (Relative to 1kHz)
Fs = 32 kHz
-
-
±0.23
dB
(Note 5)
Fs = 44.1 kHz
-
Fs = 48 kHz
-
-
±0.14
dB
-
±0.09
dB
Double-Speed Mode - (50 kHz to 100 kHz sample rates)
Passband
to -0.01 dB corner
0
-
0.296
Fs
to -3 dB corner
0
-
0.499
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
dB
StopBand
0.792
-
-
Fs
StopBand Attenuation
(Note 4)
70
-
-
dB
Group Delay
-
3.9/Fs
-
s
Passband Group Delay Deviation
0 - 20 kHz
-
±0.01/Fs s
Quad Speed Mode - (100 kHz to 200 kHz)
Passband
to -0.01 dB corner
0
-
0.104
Fs
to -3 dB corner
0
-
0.481
Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
dB
StopBand
0.868
-
-
Fs
StopBand Attenuation
(Note 4)
75
-
-
dB
Group Delay
-
4.2/Fs
-
s
Passband Group Delay Deviation
0 - 20 kHz
-
±0.01/Fs s
DSD Mode
Passband
to -0.1 dB corner
0
-
20
kHz
to -3 dB corner
0
-
120
kHz
Frequency Response 10 Hz to 20 kHz
-.01
-
0.1
dB
Notes: 3. Slow Roll-Off interpolation filter is only available in control port mode.
4. For Single and Double-Speed Mode, the Measurement Bandwidth is from stopband to 3 Fs.
For Quad-Speed Mode, the Measurement Bandwidth is from stopband to 1.34 Fs.
5. De-emphasis is only available in Single Speed Mode; The 44.1kHz De-emphasis filter is the only filter
available in Stand-Alone Mode.
DS459PP3
27
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