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www.ti.com
SLES100 − DECEMBER 2003
TYPICAL PERFORMANCE CURVES
DIGITAL FILTER
Digital Filter Response
AMPLITUDE
AMPLITUDE
vs
vs
FREQUENCY
FREQUENCY
0
−20
5
0.0005
0.00044
3
0.0003
−40
2
0.0002
−60
1
0.0001
−80
0
−1
−0.0001
−100
−120
−140
−160
−2
−0.0002
−3
−0.0003
−4
−0.0004
−5
−0.0005
0
1
2
3
4
0.0
0.1
0.2
0.3
0.4
0.5
Frequency[× f ]
Frequency[× f ]
S
S
Figure 1. Frequency Response, Sharp Rolloff
Figure 2. Pass-Band Ripple, Sharp Rolloff
AMPLITUDE
vs
AMPLITUDE
vs
FREQUENCY
FREQUENCY
0
−20
0
−2
−4
−40
−6
−60
−8
−80
−10
−12
−14
−16
−18
−20
−100
−120
−140
−160
0
1
2
3
4
0.0
0.1
0.2
0.3
0.4
0.5
0.6
Frequency[× f ]
Frequency[× f ]
S
S
Figure 3. Frequency Response, Slow Rolloff
Figure 4. Transition Characteristics, Slow Rolloff
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BB [ BURR-BROWN CORPORATION ]
