PCM1804
SLES022A – DECEMBER 2001
TYPICAL CHARACTERISTICS
linear phase antialias digital filter frequency response (continued)
PASSBAND RIPPLE CHARACTERISTICS AT
SINGLE RATE FILTER
TRANSIENT BAND CHARACTERISTICS AT
SINGLE RATE FILTER
0.02
0
–1
–2
–3
–4
–5
–6
–7
–8
f
= 48 kHz
S
f
= 48 kHz
S
0
–0.02
–0.04
–0.06
–0.08
–0.1
–9
–10
0.45
0.47
0.49
0.51
0.53
S
0.55
0
0.1
0.2
0.3
0.4
0.5
0.6
Normalized Frequency – × f
Normalized Frequency – × f
S
Figure 18
Figure 19
OVERALL CHARACTERISTICS AT
DUAL RATE FILTER
STOPBAND ATTENUATION CHARACTERISTICS AT
DUAL RATE FILTER
50
0
f
= 96 kHz
f
= 96 kHz
S
S
–10
–20
–30
0
–40
–50
–50
–60
–70
–80
–100
–90
–100
–110
–120
–130
–150
–200
–140
–150
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
0
0.25
0.5
0.75
1
Normalized Frequency – × f
Normalized Frequency – × f
S
S
Figure 20
Figure 21
13
www.ti.com
BB [ BURR-BROWN CORPORATION ]
