CS5333
ANALOG CHARACTERISTICS
(Continued)
Base-rate Mode
Parameter
Symbol Min
A/D Decimation Filter Characteristics (Note 2)
Passband
(Note 3)
0
Passband Ripple
-0.08
Stopband
(Note 3)
27.5
Stopband Attenuation
(Note 4)
-60.3
-
Group Delay (Fs = Output Sample Rate) (Note 5)
t
gd
Group Delay Variation vs. Frequency
∆t
gd
(Note 3)
(Note 3)
(Note 2)
-
-
-
-
-
Typ
-
-
-
-
10/Fs
-
3.7
24.2
10
-
Max
High-rate Mode
Min
Typ
-
-
-
-
2.7/Fs
-
3.7
24.2
10
-
Max
47.5
0
-
-
-
0.007
Unit
kHz
dB
kHz
dB
s
µs
23.5
0
+0.17 -0.09
-
64.1
-
-48.4
-
-
0.03
-
-
-
0.17
-
-
-
-
-
High Pass Filter Characteristics
Frequency Response
-3 dB
-0.1 dB
Phase Deviation
@ 20 Hz
Passband Ripple
-
Hz
-
Hz
-
Degree
0.09
dB
Notes: 2. Filter response is guaranteed by design.
3. Filter characteristics scale with output sample rate. For output sample rates, Fs, other than 48 kHz, the
0.01 dB passband edge is 0.4535x Fs and the stopband edge is 0.625x Fs.
4. The analog modulator samples the input at 6.144 MHz for an Fs equal to 48 kHz. There is no rejection
of input signals which are multiples of the sampling frequency (n x 6.144 MHz ±21.8 kHz where
n = 0,1,2,3...).
5. Group delay for Fs = 48 kHz, t
gd
= 15/48 kHz = 312 µs.
DS520PP1
5
CIRRUS [ CIRRUS LOGIC ]
