CS4225
16-Bit Audio A/D Decimation Filter Characteristics
(See graphs towards the
end of this data sheet)
Parameter
Passband ( to -3 dB corner)
Symbol
Min
Typ
Max
Units
Hz
dB
Hz
Hz
dB
s
(Fs is conversion freq.)
0
-
0.454Fs
Passband Ripple
-
-
±0.1
Transition Band
0.40Fs
-
0.60Fs
Stop Band
≥ 0.60Fs
-
-
-
Stop Band Rejection
Group Delay
75
-
-
10/Fs
-
-
Group Delay Variation vs. Frequency
-
0.0
µs
D/A Interpolation Filter Characteristics (See graphs toward the end of this data sheet)
Parameter
Symbol
Min
Typ
Max
Units
Hz
Passband (to -3 dB corner)
(Fs is conversion freq.)
0
-
-
-
-
-
-
0.476Fs
Passband Ripple
Transition Band
Stop Band
-
0.442Fs
≥0.567Fs
50
±0.1
dB
0.567Fs
Hz
-
-
-
Hz
Stop Band Rejection
dB
Stop Band Rejection
with Ext. 2Fs RC filter
57
dB
Group Delay
-
-
12/Fs
-
-
s
Group Delay Variation vs. Frequency
TBD
µs
4
DS86PP8
CIRRUS [ CIRRUS LOGIC ]
