Datasheet

−0.002
−0.0015
−0.001
−0.0005
0
0.0005
0.001
0.0015
0.002
0 0.5 1
Frequency ( × f
S
)
Amplitude (dB)
G008
−120
−100
−80
−60
−40
−20
0
0 1 2 3 4
Frequency ( × f
S
)
Amplitude (dB)
G002
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
0 50 100 150 200 250 300
Samples
Amplitude (FFS)
G005
PCM5141, PCM5142
www.ti.com SLAS759A –AUGUST 2012–REVISED SEPTEMBER 2012
Table 31. High-Attentuation x4 Interpolation Filter, Dual 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
….. 3.455f
S
–100 dB
Filter Group Delay 33.7t
S
S
Figure 65. High-Attentuation x4 Interpolation Filter Figure 66. High-Attentuation x4 Interpolation Filter
Frequency Response, Dual Rate Impulse Response, Dual Rate
Figure 67. High-Attentuation x4 Interpolation Filter Passband Ripple, Dual Rate
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