PCM4220 datasheet(13/37 Pages) TI

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NormalizedFrequency(f )

0.46

0.42

0.41

0.47

0.51

0.43 0.44 0.45

0.48

0.49 0.50

f =48kHz

TransitionBandDetail

NormalizedFrequency(f )

150

200

2.0

0.5

2.5

4.0

1.0

1.5

100

3.0

3.5

f =48kHz(fastmode)

OverallFrequencyResponse

NormalizedFrequency(f )

100

0.5

0.1

0.6

1.0

0.2

0.3

0.4

0.7

0.8

0.9

f =48kHz(fastmode)

StopBandDetail

NormalizedFrequency(f )

2.0

1.5

0.5

1.0

1.5

2.0

0.20

0.05

0.25

0.45

0.10

0.15

1.0

0.30

0.35

0.40

f =48kHz(fastmode)

PassbandRippleDetail

PCM4220

www.ti.com............................................................................................................................................. SBAS407C – DECEMBER 2006 – REVISED AUGUST 2009

TYPICAL CHARACTERISTICS (continued)

At TA = +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

RESPONSE

Stop Band Detail

Passband Ripple Detail

Figure 29.

Figure 30.

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