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DECIMATION FILTER
Normalized Frequency [× f
S
Hz]
−200
−150
−100
−50
0
0 8 16 24 32
Amplitude − dB
G014
Normalized Frequency [× f
S
Hz]
−100
−80
−60
−40
−20
0
0.00 0.25 0.50 0.75 1.00
Amplitude − dB
G015
Normalized Frequency [× f
S
Hz]
−1.0
−0.8
−0.6
−0.4
−0.2
0.0
0.2
0.0 0.1 0.2 0.3 0.4 0.5
Amplitude − dB
G016
Normalized Frequency [× f
S
Hz]
−10
−9
−8
−7
−6
−5
−4
−3
−2
−1
0
0.45 0.47 0.49 0.51 0.53 0.55
Amplitude − dB
G017
−4.13 dB at 0.5 f
S
PCM1801
SBAS131C – OCTOBER 2000 – REVISED JULY 2007
TYPICAL PERFORMANCE CURVES (continued)
All specifications at T
A
= 25 ° C, V
DD
= V
CC
= 5 V, f
S
= 44.1 kHz, and SYSCLK = 384 f
S
, unless otherwise noted
OVERALL CHARACTERISTICS STOP-BAND ATTENUATION CHARACTERISTICS
Figure 14. Figure 15.
PASS-BAND RIPPLE CHARACTERISTICS TRANSITION BAND CHARACTERISTICS
Figure 16. Figure 17.
10
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