Datasheet

−0.002
−0.0015
−0.001
−0.0005
0
0.0005
0.001
0.0015
0.002
0 0.5 1 1.5 2
Frequency ( × f
S
)
Amplitude (FFS)
G007
−120
−100
−80
−60
−40
−20
0
0 1 2 3 4
Frequency ( × f
S
)
Amplitude (dB)
G001
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
0 10 20 30 40 50 60 70 80 90 100 110 120
Samples
Amplitude (FFS)
G004
PCM5121, PCM5122
SLAS763A –AUGUST 2012–REVISED SEPTEMBER 2012 www.ti.com
Table 32. High-Attentuation x2 Interpolation Filter, Quad Rate
Parameter Condition Value (Typical) Value (Max) Units
Filter Gain Pass Band 0 ……. 0.45f
S
±0.0005 dB
Filter Gain Stop Band 0.55f
S
….. 1.455f
S
–100 dB
Filter Group Delay 33.7t
S
S
Figure 68. High-Attentuation x2 Interpolation Filter Figure 69. High-Attentuation x2 Interpolation Filter
Frequency Response, Quad Rate Impulse Response, Quad Rate
Figure 70. High-Attentuation x2 Interpolation Filter Passband Ripple, Quad Rate
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