CS4344/5/6/8
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 sample
rate by multiplying the given characteristic by Fs.) (See note 6)
Parameter
Combined Digital and On-chip Analog Filter Response
Passband (Note 2)
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
De-emphasis Error (Note 5)
Fs = 32 kHz
Fs = 44.1 kHz
Fs = 48 kHz
to -0.1 dB corner
to -3 dB corner
(Note 3)
tgd
to -0.05 dB corner
to -3 dB corner
Symbol
Min
0
0
-.01
.5465
50
-
-
-
-
0
0
-.05
.5770
(Note 3)
tgd
to -0.1 dB corner
to -3 dB corner
55
-
0
0
0
0.7
(Note 3)
tgd
51
-
Typ
-
-
-
-
-
10/Fs
-
-
-
-
-
-
-
-
5/Fs
-
-
-
-
-
2.5/Fs
Max
.4780
.4996
+.08
-
-
-
+1.5/+0
+.05/-.25
-.2/-.4
.4650
.4982
+.2
-
-
-
0.397
0.476
+0.00004
-
-
-
Unit
Fs
Fs
dB
Fs
dB
s
dB
dB
dB
Fs
Fs
dB
Fs
dB
s
Fs
Fs
dB
Fs
dB
s
Single Speed Mode
Combined Digital and On-chip Analog Filter Response
Passband (Note 2)
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
Combined Digital and On-chip Analog Filter Response
Passband (Note 2)
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
Notes: 2. Response is clock dependent and will scale with Fs.
Double Speed Mode
Quad Speed Mode
3. For Single Speed Mode, the Measurement Bandwidth is 0.5465 Fs to 3 Fs.
For Double Speed Mode, the Measurement Bandwidth is 0.577 Fs to 1.4 Fs.
For Quad Speed Mode, the Measurement Bandwidth is 0.7 Fs to 1 Fs.
4. Refer to Figure 2.
5. De-emphasis is available only in Single Speed Mode.
6. Amplitude vs. Frequency plots of this data are available in “Appendix” on page 21.
DS613PP2
7
CIRRUS [ CIRRUS LOGIC ]
