CS4361(2005) Ver la hoja de datos (PDF) - Cirrus Logic
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CS4361 Datasheet PDF : 23 Pages
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CS4361
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. (See note 5)
Parameter
Symbol Min
Typ
Max Unit
Combined Digital and On-chip Analog Filter Response
Single Speed Mode
Passband (Note 2)
to -0.05 dB corner
to -3 dB corner
0
-
.4780 Fs
0
-
.4996 Fs
Frequency Response 10 Hz to 20 kHz
-.01
-
+.08 dB
StopBand
.5465
-
-
Fs
StopBand Attenuation
(Note 3)
50
-
-
dB
Group Delay
tgd
-
10/Fs
-
s
De-emphasis Error (Note 4)
Fs = 44.1 kHz
-
-
+.05/-.25 dB
Combined Digital and On-chip Analog Filter Response
Double Speed Mode
Passband (Note 2)
to -0.1 dB corner
to -3 dB corner
0
-
.4650 Fs
0
-
.4982 Fs
Frequency Response 10 Hz to 20 kHz
-.05
-
+.2
dB
StopBand
.5770
-
-
Fs
StopBand Attenuation
(Note 3)
55
-
-
dB
Group Delay
tgd
-
5/Fs
-
s
Combined Digital and On-chip Analog Filter Response
Quad Speed Mode
Passband (Note 2)
to -0.1 dB corner
to -3 dB corner
0
-
0.397 Fs
0
-
0.476 Fs
Frequency Response 10 Hz to 20 kHz
0
-
+0.00004 dB
StopBand
0.7
-
-
Fs
StopBand Attenuation
(Note 3)
51
-
-
dB
Group Delay
tgd
-
2.5/Fs
-
s
Notes: 2. Response is clock-dependent and will scale with Fs.
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. De-emphasis is available only in Single Speed Mode.
5. Amplitude vs. Frequency plots of this data are available in “Appendix” on page 21.
DS672A2
7
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