adau1381 Analog Devices, Inc., adau1381 Datasheet - Page 17

• Manufacturer Part Number: adau1381
• Description: Low-noise Stereo Codec With Enhanced Recording And Playback Processing
• Manufacturer: Analog Devices, Inc.

TYPICAL PERFORMANCE CHARACTERISTICS
Figure 10. ADC Decimation Filter Pass-Band Ripple, 64× Oversampling,
–100
–100
–0.02
–0.04
–0.06
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.04
0.02
0
0
0
0
0
Figure 11. ADC Decimation Filter, 128× Oversampling,
Figure 9. ADC Decimation Filter, 64× Oversampling,
0
0.1
0.1
0.05
0.2
0.2
FREQUENCY (NORMALIZED TO
FREQUENCY (NORMALIZED TO
FREQUENCY (NORMALIZED TO
0.10
0.3
0.3
Normalized to f
Normalized to f
Normalized to f
0.15
0.4
0.4
0.20
0.5
0.5
0.6
0.25
0.6
S
S
S
0.7
0.7
0.30
f
f
S
f
S
S
)
)
0.8
0.8
)
0.35
0.9
0.9
0.40
1.0
1.0
Rev. A| Page 17 of 84
Figure 12. ADC Decimation Filter Pass-Band Ripple, 128× Oversampling,
Figure
–0.02
–0.04
–0.06
–0.08
–0.10
–100
–0.02
–0.04
–0.06
0.10
0.08
0.06
0.04
0.02
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.04
0.02
0
0
14
0
0
0
Figure 13. ADC Decimation Filter, Double-Rate Mode,
. ADC Decimation Filter Pass-Band Ripple, Double-Rate Mode,
0
0.05
0.1
0.05
0.10
0.2
FREQUENCY (NORMALIZED TO
FREQUENCY (NORMALIZED TO
FREQUENCY (NORMALIZED TO
0.10
0.15
0.3
Normalized to f
Normalized to f
Normalized to f
0.15
0.20
0.4
0.20
0.25
0.5
0.30
0.6
0.25
S
S
S
0.35
0.7
0.30
f
f
S
S
f
S
)
0.40
)
0.8
)
0.35
ADAU1381
0.45
0.9
0.40
0.50
1.0