Datasheet

ADAU1761
Rev. C | Page 18 of 92
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
FREQUENCY (NORMALIZED TO
f
S
)
MAGNITUDE (dBFS)
0.10 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
07680-010
Figure 14. ADC Decimation Filter, 128× Oversampling, Normalized to f
S
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
FREQUENCY (NORMALIZED TO f
S
)
MAGNITUDE (dBFS)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
07680-012
Figure 15. ADC Decimation Filter, 128× Oversampling, Double-Rate Mode,
Normalized to f
S
100
90
80
70
60
50
40
30
20
10
0
FREQUENCY (NORMALIZED TO
f
S
)
MAGNITUDE (dBFS)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0
7680-014
Figure 16. DAC Interpolation Filter, 64× Oversampling, Double-Rate Mode,
Normalized to f
S
0 0.05 0.10 0.20 0.30 0.400.15 0.25 0.35 0.500.45
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.10
FREQUENCY (NORMALIZED TO f
S
)
MAGNITUDE (dBFS)
07680-011
Figure 17. ADC Decimation Filter Pass-Band Ripple, 128× Oversampling,
Normalized to f
S
0 0.05 0.10 0.20 0.30 0.400.15 0.25 0.35
0.06
0.04
0.02
0
0.02
0.04
FREQUENCY (NORMALIZED TO f
S
)
MAGNITUDE (dBFS)
07680-013
Figure 18. ADC Decimation Filter Pass-Band Ripple, 128× Oversampling,
Double-Rate Mode, Normalized to f
S
0 0.05 0.10 0.20 0.30 0.400.15 0.25 0.35
–0.15
–0.20
–0.10
–0.05
0
0.05
0.15
0.20
0.10
FREQUENCY (NORMALIZED TO
f
S
)
MAGNITUDE (dBFS)
07680-015
Figure 19. DAC Interpolation Filter Pass-Band Ripple, 64× Oversampling,
Double-Rate Mode, Normalized to f
S