Typical Performance Characteristics - Analog Devices ADAU1961 Manual

TYPICAL PERFORMANCE CHARACTERISTICS

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26
24
22
20
18
16
14
12
10
8
6
4
2
0
–60 –50
Figure 8. Headphone Amplifier Power vs. Input Level, 16 Ω Load
18
16
14
12
10
8
6
4
2
0
–60 –50
Figure 9. Headphone Amplifier Power vs. Input Level, 32 Ω Load
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
−100
0 0.1
Figure 10. ADC Decimation Filter, 64× Oversampling, Normalized to f
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–40 –30 –20 –10
DIGITAL 1kHz INPUT SIGNAL (dBFS)
–40 –30 –20 –10
DIGITAL 1kHz INPUT SIGNAL (dBFS)
0.2 0.3 0.4 0.5 0.6 0.7 0.8
f
FREQUENCY (NORMALIZED TO )
S
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
0
Figure 11. Headphone Amplifier THD + N vs. Input Level, 16 Ω Load
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
Figure 12. Headphone Amplifier THD + N vs. Input Level, 32 Ω Load
0.04
0.02
−0.02
−0.04
−0.06
0.9 1.0
Figure 13. ADC Decimation Filter Pass-Band Ripple, 64× Oversampling,
S
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–60 –50 –40 –30
DIGITAL 1kHz INPUT SIGNAL (dBFS)
0
–60 –50 –40 –30
DIGITAL 1kHz INPUT SIGNAL (dBFS)
0
0 0.05 0.10 0.15 0.20 0.25
FREQUENCY (NORMALIZED TO
Normalized to f
S
ADAU1961
–20 –10 0
–20 –10 0
0.30 0.35 0.40
f
)
S