Datasheet

−0.0001
−0.00008
−0.00006
−0.00004
−0.00002
0
0.00002
0.00004
0.00006
0.00008
0.0001
0.0 0.5 1.0
Frequency (x f
S
)
Amplitude (dB)
G030
−120
−100
−80
−60
−40
−20
0
0 1 2 3 4
Frequency (x f
S
)
Amplitude (dB)
G005
−0.4
−0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 10 20 30 40 50 60 70 80 90 100
Samples
Amplitude (FFS)
G016
PCM5121, PCM5122
SLAS763A –AUGUST 2012–REVISED SEPTEMBER 2012 www.ti.com
Table 26. Low latency ×2 Interpolation Filter, Quad Rate
Parameter Condition Value (Typical) Value (Max) Units
Filter Gain Pass Band 0 ……. 0.45f
S
dB
Filter Gain Stop Band 0.55f
S
….. 1.455f
S
dB
Filter Group Delay S
Figure 50. Low latency x2 Interpolation Filter Figure 51. Low latency x2 Interpolation Filter
Frequency Response Impulse Response
Figure 52. Low latency x2 Interpolation Filter Passband Ripple
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