PCM4220PFB datasheet(13/34 Pages) TI

Part #	PCM4220PFB

Description	High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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NormalizedFrequency(f )

-3

-4

-6

0.46

0.42

0.41

0.47

0.51

0.43 0.44 0.45

0.48

-2

-1

0.49 0.50

-5

f =48kHz

TransitionBandDetail

NormalizedFrequency(f )

-150

-200

2.0

0.5

2.5

4.0

1.0

1.5

-100

-50

3.0

3.5

f =48kHz(fastmode)

OverallFrequencyResponse

NormalizedFrequency(f )

-10

-50

-60

-70

-80

-90

-100

0.5

0.1

0.6

1.0

0.2

0.3

0.4

-40

-30

-20

0.7

0.8

0.9

f =48kHz(fastmode)

StopBandDetail

NormalizedFrequency(f )

2.0

1.5

0.5

-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

SBAS407A – DECEMBER 2006 – REVISED MAY 2007

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

RESPONSE

Stop Band Detail

Passband Ripple Detail

Figure 29.

Figure 30.

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PCM4220PFB Datasheet(PDF) 13 Page - Texas Instruments

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