Datasheet

−0.2
−0.15
−0.1
−0.05
0
0.05
0.1
0.15
0.2
0 0.1 0.2 0.3 0.4 0.5
Frequency ( × f
S
)
Amplitude (dB)
G009
−120
−100
−80
−60
−40
−20
0
0 1 2 3 4
Frequency ( × f
S
)
Amplitude (dB)
G003
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
0 10 20 30 40 50 60 70 80
Samples
Amplitude (FFS)
G006
PCM5141, PCM5142
www.ti.com SLAS759A –AUGUST 2012–REVISED SEPTEMBER 2012
Table 27. Asymmetric FIR x8 Interpolation Filter, Single Rate
Parameter Condition Value (Typical) Value (Max) Units
Filter Gain Pass Band 0 ……. 0.40f
S
±0.05 dB
Filter Gain Stop Band 0.72f
S
….. 7.28f
S
–50 dB
Filter Group Delay 1.2t
S
S
Figure 53. Asymmetric FIR x8 Interpolation Filter Figure 54. Asymmetric FIR x8 Interpolation Filter
Frequency Response, Single Rate Impulse Response, Single Rate
Figure 55. Asymmetric FIR x8 Interpolation Filter Passband Ripple, Single Rate
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