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CS42426 Datasheet, PDF (56/67 Pages) Cirrus Logic – 114 dB, 192kHz 6-Ch CODEC WITH PLL
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CS42426
D/A DIGITAL FILTER CHARACTERISTICS
Fast Roll-Off
Slow Roll-Off
Parameter
Min Typ
Max
Min Typ
Max Unit
Combined Digital and On-chip Analog Filter Response - Single Speed Mode - 48 kHz
Passband (Note 10)
to -0.01 dB corner 0
-
0.4535
0
-
0.4166 Fs
to -3 dB corner 0
-
0.4998
0
-
0.4998 Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
+0.01 -0.01
-
+0.01 dB
StopBand
0.5465 -
-
0.5834 -
-
Fs
StopBand Attenuation
(Note 11) 90
-
-
64
-
-
dB
Group Delay
-
12/Fs
-
-
6.5/Fs
-
s
Passband Group Delay Deviation 0 - 20 kHz -
-
±0.41/Fs
- ±0.14/Fs s
De-emphasis Error (Note 12) Fs = 32 kHz -
-
±0.23
-
-
±0.23 dB
(Relative to 1 kHz)
Fs = 44.1 kHz -
-
±0.14
-
-
±0.14 dB
Fs = 48 kHz -
-
±0.09
-
-
±0.09 dB
Combined Digital and On-chip Analog Filter Response - Double Speed Mode - 96 kHz
Passband (Note 10)
to -0.01 dB corner 0
-
0.4166
0
-
0.2083 Fs
to -3 dB corner 0
-
0.4998
0
-
0.4998 Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
-0.01
-
0.01 dB
StopBand
0.5834 -
-
0.7917 -
-
Fs
StopBand Attenuation
(Note 11) 80
-
-
70
-
-
dB
Group Delay
-
4.6/Fs
-
-
3.9/Fs
-
s
Passband Group Delay Deviation 0 - 20 kHz -
-
±0.03/Fs
- ±0.01/Fs s
Combined Digital and On-chip Analog Filter Response - Quad Speed Mode - 192 kHz
Passband (Note 10)
to -0.01 dB corner 0
-
0.1046
0
-
0.1042 Fs
to -3 dB corner 0
-
0.4897
0
-
0.4813 Fs
Frequency Response 10 Hz to 20 kHz
-0.01
-
0.01
-0.01
-
0.01 dB
StopBand
0.6355 -
-
0.8683 -
-
Fs
StopBand Attenuation
(Note 11) 90
-
-
75
-
-
dB
Group Delay
-
4.7/Fs
-
-
4.2/Fs
-
s
Passband Group Delay Deviation 0 - 20 kHz -
-
±0.01/Fs
- ±0.01/Fs s
Notes: 10. Response is clock dependent and will scale with Fs. Note that the response plots (Figures 32 to 55) have
been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
11. Single and Double Speed Mode Measurement Bandwidth is from stopband to 3 Fs.
Quad Speed Mode Measurement Bandwidth is from stopband to 1.34 Fs.
12. De-emphasis is available only in Single Speed Mode.
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