PCM1804
SLES022A – DECEMBER 2001
TYPICAL CHARACTERISTICS
linear phase antialias digital filter frequency response (continued)
PASSBAND RIPPLE CHARACTERISTICS AT
DUAL RATE FILTER
TRANSIENT BAND CHARACTERISTICS AT
DUAL RATE FILTER
f = 96 kHz
S
0
–1
–2
–3
–4
–5
–6
–7
–8
0.02
0
f
= 96 kHz
S
–0.02
–0.04
–0.06
–0.08
–0.1
–9
–10
0.45
0.47
0.49
0.51
0.53
0.55
0
0.1
0.2
0.3
0.4
0.5
0.6
Normalized Frequency – × f
Normalized Frequency – × f
S
S
Figure 22
Figure 23
OVERALL CHARACTERISTICS AT
QUAD RATE FILTER
STOPBAND ATTENUATION CHARACTERISTICS AT
QUAD RATE FILTER
50
0
f
= 192 kHz
f = 192 kHz
S
S
–10
–20
–30
0
–50
–40
–50
–60
–70
–80
–90
–100
–100
–110
–120
–130
–140
–150
–150
–200
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
0
0.25
0.5
0.75
1
Normalized Frequency – × f
Normalized Frequency – × f
S
S
Figure 24
Figure 25
14
www.ti.com
BB [ BURR-BROWN CORPORATION ]
