
DS895F2
7
CS4354
COMBINED DIGITAL AND ON-CHIP ANALOG FILTER CHARACTERISTICS
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. Reference level (0 dB) is set at 997 Hz.
(Note 11)Notes: 8.
Response is clock-dependent and will scale with Fs.
9.
For Single- and 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.
10. De-emphasis is available only in Single-Speed Mode.
Parameter
Min
Typ
Max
Unit
Single-Speed Mode - 48 kHz
to -0.05 dB corner
to -3 dB corner
1.79610-4
1.94710-5
-
0.470
0.500
Fs
Frequency response 20 Hz to 20 kHz
-0.05
-
+0.05
dB
Stopband
0.550
-
Fs
Stopband attenuation
80 dB
-
dB
High-pass filter settling time (input signal goes to 95% of its final value)
-
2.452104/Fs
-
s
Total group delay
-
9.4/Fs
-
s
De-emphasis error
(Note 10)(Relative to 1 kHz)
Fs = 44.1 kHz
-
±0.14
dB
Double-Speed Mode - 96 kHz
to -0.05 dB corner
to -3 dB corner
8.98010-5
9.73610-6
-
0.290
0.500
Fs
Frequency response 20 Hz to 20 kHz
-0.05
-
+0.05
dB
Stopband
0.583
-
Fs
Stopband attenuation
82 dB
-
dB
High-pass filter settling time (input signal goes to 95% of its final value)
-
4.903104/Fs
-
s
Total group delay
-
7.0/Fs
-
s
Quad-Speed Mode - 192 kHz
to -0.05 dB corner
to -3 dB corner
4.49010-5
4.86810-6
-
0.253
0.486
Fs
Frequency response 20 Hz to 20 kHz
-0.05
-
+0.05
dB
Stopband
0.630
-
Fs
Stopband attenuation
85 dB
-
dB
High-pass filter settling time (input signal goes to 95% of its final value)
-
9.807104/Fs
-
s
Total group delay
-
4.9/Fs
-
s