CS4270-CZZR Cirrus Logic Inc, CS4270-CZZR Datasheet - Page 12

• Manufacturer Part Number: CS4270-CZZR
• Description: 24-bit, 192kHz Stereo Codec
• Manufacturer: Cirrus Logic Inc

12
DAC 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
Single-Speed Mode
Passband
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
De-emphasis Error (Note 8)
Double-Speed Mode
Passband
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
Quad-Speed Mode
Passband
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
5. Amplitude vs. Frequency plots of this data are available in
6. Response is clock dependent and will scale with Fs.
7. For Single-Speed Mode, the Measurement Bandwidth is 0.5465 Fs to 3 Fs.
8. De-emphasis is available only in Single-Speed Mode.
(Note 6)
(Note 6)
(Note 6)
Figures 24
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.
through 47.
Parameter
to -0.1 dB corner
to -0.1 dB corner
to -0.1 dB corner
to -3 dB corner
to -3 dB corner
to -3 dB corner
Fs = 44.1 kHz
Fs = 32 kHz
Fs = 48 kHz
(Note 7)
(Note 7)
(Note 7)
Note
Symbol
5)
tgd
tgd
tgd
Section 9. “Filter Plots” on page
.5465
.5770
-.175
Min
-.15
-.12
0.7
50
55
51
0
0
0
0
0
0
-
-
-
-
-
-
2.5/Fs
10/Fs
5/Fs
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+.05/-.25
+1.5/+0
-.2/-.4
.4992
0.110
0.469
Max
+.01
.501
+.15
.35
.22
+0
-
-
-
-
-
-
-
-
-
CS4270
DS686PP1
41. See
Unit
dB
dB
dB
dB
dB
dB
dB
Fs
Fs
Fs
Fs
Fs
dB
Fs
Fs
Fs
dB
Fs
s
s
s