Datasheet

NormalizedFrequency(f )
S
Amplitude(dB)
0
-3
-4
-6
0.460.420.41 0.47 0.510.43 0.44 0.45 0.48
-2
-1
0.49 0.50
-5
f =48kHz
TransitionBandDetail
S
NormalizedFrequency(f )
S
Amplitude(dB)
0
-150
-200
2.00.50 2.5 4.01.0 1.5
-100
-50
3.0 3.5
f =48kHz(fastmode)
OverallFrequencyResponse
S
NormalizedFrequency(f )
S
Amplitude(dB)
0
-10
-50
-60
-70
-80
-90
-100
0.5
0.10 0.6 1.00.2 0.3 0.4
-40
-30
-20
0.7 0.8 0.9
f =48kHz(fastmode)
StopBandDetail
S
NormalizedFrequency(f )
S
Amplitude(dB/1000)
2.0
1.5
0.5
0
-0.5
-1.0
-1.5
-2.0
0.20
0.050 0.25 0.450.10 0.15
1.0
0.30 0.35 0.40
f =48kHz(fastmode)
PassbandRippleDetail
S
PCM4220
www.ti.com ............................................................................................................................................. SBAS407C – DECEMBER 2006 – REVISED AUGUST 2009
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25 ° C, VCC1 = VCC2 = +4.0V, and VDD = +3.3V, unless otherwise noted.
DIGITAL DECIMATION FILTER, LOW GROUP DELAY
DIGITAL DECIMATION FILTER, CLASSIC RESPONSE RESPONSE
Transition Band Detail Overall Frequency Response
Figure 27. Figure 28.
DIGITAL DECIMATION FILTER, LOW GROUP DELAY DIGITAL DECIMATION FILTER, LOW GROUP DELAY
RESPONSE RESPONSE
Stop Band Detail Passband Ripple Detail
Figure 29. Figure 30.
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