cs4365 Cirrus Logic, Inc., cs4365 Datasheet - Page 12

• Manufacturer Part Number: cs4365
• Description: 114 Db, 192 Khz 6-channel D/a Converter
• Manufacturer: Cirrus Logic, Inc.

12
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
Notes:
Combined Digital and On-chip Analog Filter Response - Single-Speed Mode - 48 kHz
Passband
Frequency Response
StopBand
StopBand Attenuation
Group Delay
De-emphasis Error
(Relative to 1 kHz)
Combined Digital and On-chip Analog Filter Response - Double-Speed Mode - 96 kHz
Passband
Frequency Response
StopBand
StopBand Attenuation
Group Delay
Combined Digital and On-chip Analog Filter Response - Quad-Speed Mode - 192 kHz
Passband
Frequency Response
StopBand
StopBand Attenuation
Group Delay
8. Slow roll-off interpolation filter is only available in Software Mode.
9. Response is clock-dependent and will scale with Fs.
10. For Single-Speed Mode, the Measurement Bandwidth is from stopband to 3 Fs.
11. De-emphasis is available only in Single-Speed Mode; only 44.1 kHz De-emphasis is available in Hard-
12. Amplitude vs. Frequency plots of this data are available in
(Note 9)
(Note 9)
(Note 9)
For Double-Speed Mode, the Measurement Bandwidth is from stopband to 3 Fs.
For Quad-Speed Mode, the Measurement Bandwidth is from stopband to 1.34 Fs.
ware Mode.
(Note 11)
Parameter
to -0.01 dB corner
to -0.01 dB corner
to -0.01 dB corner
10 Hz to 20 kHz
10 Hz to 20 kHz
10 Hz to 20 kHz
to -3 dB corner
to -3 dB corner
to -3 dB corner
Fs = 44.1 kHz
Fs = 32 kHz
Fs = 48 kHz
Note
(Note 10)
(Note 10)
(Note 10)
12.
Section 7. “Filter Plots” on page
0.547
-0.01
-0.01
-0.01
Min
.583
.635
102
80
90
0
0
0
0
0
0
-
-
-
-
-
-
Fast Roll-Off
10.4/Fs
6.15/Fs
7.1/Fs
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+0.01
+0.01
+0.01
±0.36
±0.21
±0.14
Max
.454
.499
.430
.499
.105
.490
-
-
-
-
-
-
-
-
-
CS4365
45.
DS670F2
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
Fs
s
s
s