CS42428 CIRRUS [Cirrus Logic], CS42428 Datasheet - Page 56

• Manufacturer Part Number: CS42428
• Description: 114 dB, 192kHz 8-Ch CODEC WITH PLL
• Manufacturer: CIRRUS [Cirrus Logic]

D/A DIGITAL FILTER CHARACTERISTICS
Notes: 10. Response is clock dependent and will scale with Fs. Note that the response plots (Figures 32 to 55) have
56
Combined Digital and On-chip Analog Filter Response - Single Speed Mode - 48 kHz
Passband (Note 10)
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
Passband Group Delay Deviation
De-emphasis Error (Note 12)
(Relative to 1 kHz)
Combined Digital and On-chip Analog Filter Response - Double Speed Mode - 96 kHz
Passband (Note 10)
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
Passband Group Delay Deviation
Combined Digital and On-chip Analog Filter Response - Quad Speed Mode - 192 kHz
Passband (Note 10)
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
Passband Group Delay Deviation
11. Single and Double Speed Mode Measurement Bandwidth is from stopband to 3 Fs.
12. De-emphasis is available only in Single Speed Mode.
been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
Quad Speed Mode Measurement Bandwidth is from stopband to 1.34 Fs.
Parameter
to -0.01 dB corner
to -0.01 dB corner
to -0.01 dB corner
to -3 dB corner
to -3 dB corner
to -3 dB corner
Fs = 44.1 kHz
Fs = 32 kHz
Fs = 48 kHz
0 - 20 kHz
0 - 20 kHz
0 - 20 kHz
(Note 11)
(Note 11)
(Note 11)
0.5465
0.5834
0.6355
-0.01
-0.01
-0.01
Min
90
80
90
0
0
0
0
0
0
-
-
-
-
-
-
-
-
-
Fast Roll-Off
4.6/Fs
4.7/Fs
12/Fs
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
±0.41/Fs
±0.03/Fs
±0.01/Fs
0.4535
0.4998
0.4166
0.4998
0.1046
0.4897
+0.01
±0.23
±0.14
±0.09
Max
0.01
0.01
-
-
-
-
-
-
-
-
-
0.5834
0.8683
.7917
-0.01
-0.01
-0.01
Min
64
70
75
0
0
0
0
0
0
-
-
-
-
-
-
Slow Roll-Off
6.5/Fs
3.9/Fs
4.2/Fs
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
±0.14/Fs
±0.01/Fs
±0.01/Fs
CS42428
0.4166
0.4998
0.2083
0.4998
0.1042
0.4813
+0.01
±0.23
±0.14
±0.09
Max
0.01
0.01
-
-
-
-
-
-
-
-
-
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
s
s
s
s
s
s