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)
G008
−0.6
−0.4
−0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 20 40 60 80 100 120 140 160 180
Samples
Amplitude (FFS)
G019
PCM5100, PCM5101, PCM5102
SLAS764B –MAY 2011–REVISED SEPTEMBER 2012 www.ti.com
Table 13. Low latency x4 Interpolation Filter
Parameter Condition Value (Typ) Units
Filter Gain Pass Band 0 ……. 0.45f
S
±0.0001 dB
Filter Gain Stop Band 0.55f
S
….. 3.455f
S
–52 dB
Filter Group Delay 3.5t
S
s
Figure 28. Low latency x4 Interpolation Filter Figure 29. Low latency x4 Interpolation Filter
Frequency Response Impulse Response
Figure 30. Low latency x4 Interpolation Filter Passband Ripple
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