adau1461 Analog Devices, Inc., adau1461 Datasheet - Page 17

• Manufacturer Part Number: adau1461
• Description: Sigmadsp Stereo, Low Power, 96 Khz, 24-bit Audio Codec With Integrated Pll Adau1461
• Manufacturer: Analog Devices, Inc.

Figure 21. DAC Interpolation Filter, 128× Oversampling, Double-Rate Mode,
Figure 20. DAC Interpolation Filter, 128× Oversampling, Normalized to f
–100
−100
–10
–20
–30
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–50
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–80
–90
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−90
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100
0.1
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200
Figure 22. Typical DSP Current Draw
0.2
0.2
FREQUENCY (NORMALIZED TO
FREQUENCY (NORMALIZED TO
300
0.3
0.3
Normalized to f
400
INSTRUCTIONS
0.4
0.4
500
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600
0.6
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S
700
0.7
0.7
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f
f
S
S
)
)
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0.8
900 1000 1100
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0.9
1.0
1.0
Rev. 0 | Page 17 of
S
Figure 23. DAC Interpolation Filter Pass-Band Ripple, 128× Oversampling,
Figure 24. DAC Interpolation Filter Pass-Band Ripple, 128× Oversampling,
88
–0.01
–0.02
–0.03
–0.04
–0.05
–0.05
–0.10
–0.15
–0.20
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0.03
0.02
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0.15
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0.05
90
80
70
60
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40
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10
0
0
0
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0
Figure 25. Input Impedance vs. Gain for Analog Inputs
0.05
0.05
Double-Rate Mode, Normalized to f
0.10
FREQUENCY (NORMALIZED TO
0.10
FREQUENCY (NORMALIZED TO
0.15
Normalized to f
0.15
0.20
GAIN (dB)
0.25
0.20
0.30
S
0.25
0.35
0.30
f
f
S
S
0.40
)
)
S
ADAU1461
0.35
0.45
0.50
0.40