Cirrus Logic CS4397 - Manual (Page 31)

CS4397
DS333F1 31
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0 1 2 3 4 5 6 7 8 9 10
Frequency (normalized to Fs)
A
m
pli
tude
dB
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
2.5 3 3.5 4 4.5 5 5.5 6
Frequency (normalized to Fs)
A
m
pli
tude
dB
Figure 25. DSD Frequency Response Figure 26. DSD Transition Band
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
0 0.5 1 1.5 2 2.5 3 3.5 4
Frequency (normalized to Fs)
A
m
pli
tude
dB
Figure 27. DSD Transition Band Figure 28. De-Emphasis Curve
Gain
dB
-10dB
0dB
Frequency
T2 = 15 µs
T1=50 µs
F1 F2
3.183 kHz 10.61 kHz