Datasheet

−0.05
−0.04
−0.03
−0.02
−0.01
0.00
0.01
0.02
0.03
0.04
0.05
0.0 0.1 0.2 0.3 0.4 0.5
Frequency (x f
S
)
Amplitude (dB)
G034
−120
−100
−80
−60
−40
−20
0
0 1 2 3 4
Frequency (x f
S
)
Amplitude (dB)
G012
−0.4
−0.2
0.0
0.2
0.4
0.6
0.8
1.0
0 50 100 150 200 250 300 350 400
Samples
Amplitude (FFS)
G023
PCM5141, PCM5142
www.ti.com SLAS759A –AUGUST 2012–REVISED SEPTEMBER 2012
Table 21. Normal x8 Interpolation Filter, Single Rate
Parameter Condition Value (Typical) Value (Max) Units
Filter Gain Pass Band 0 ……. 0.45f
S
±0.01 dB
Filter Gain Stop Band 0.55f
S
….. 7.455f
S
–60 dB
Filter Group Delay 20t
S
S
Figure 35. Normal x8 Interpolation Filter Frequency Figure 36. Normal x8 Interpolation Filter Impulse
Response Response
Figure 37. Normal x8 Interpolation Filter Passband Ripple
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