CS4344 Datasheet, PDF (7/23 Pages) Cirrus Logic – 10-PIN, 24-BIT, 192KHz STEREO D/A CONVERTER

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
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 5)
Fs = 32 kHz
Fs = 44.1 kHz
Fs = 48 kHz
-
-
+1.5/+0 dB
-
-
+.05/-.25 dB
-
-
-.2/-.4 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. 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
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