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f − Frequency − kHz
−100
−80
−60
−40
−20
0
0 500 1000 1500
Gain − dB
G029
f − Frequency − kHz
−6
−5
−4
−3
−2
−1
0
0 50 100 150 200
Gain − dB
G028
f − Frequency − kHz
−100
−80
−60
−40
−20
0
0 500 1000 1500
Gain − dB
G031
f − Frequency − kHz
−6
−5
−4
−3
−2
−1
0
0 50 100 150 200
Gain − dB
G030
PCM1738
SBAS174C – FEBRUARY 2002 – REVISED FEBRUARY 2007
ANALOG FIR FILTER PERFORMANCE FOR DSD MODE (continued)
All specifications at T
A
= 25 ° C, V
DD
= 3.3 V, V
CC
= 5 V, SCKI = 11.2896 MHz (44.1 kHz × 256 f
S
), and 50% modulation DSD
data input (unless otherwise noted)
DSD FITLER 3 DSD FITLER 3
Figure 28. Figure 29.
DSD FITLER 4 DSD FITLER 4
Figure 30. Figure 31.
14
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