PCM1804Q datasheet(13/38 Pages) TI2

13 / 38 page

Normalized Frequency − y fS

−0.10

−0.08

−0.06

−0.04

−0.02

0.00

0.02

0.0

0.1

0.2

0.3

0.4

0.5

0.6

G022

fS = 96 kHz

Normalized Frequency − y fS

−10

−9

−8

−7

−6

−5

−4

−3

−2

−1

0.45

0.47

0.49

0.51

0.53

0.55

G023

fS = 96 kHz

−6.02 dB at 0.5 fS

Normalized Frequency − y fS

−200

−150

−100

−50

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

G020

fS = 96 kHz

Normalized Frequency − y fS

−150

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

0.00

0.25

0.50

0.75

1.00

G021

fS = 96 kHz

PCM1804-Q1

www.ti.com

SLES271A – JUNE 2012 – REVISED AUGUST 2012

TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER (continued)

LINEAR PHASE ANTIALIAS DIGITAL FILTER FREQUENCY RESPONSE - Dual Rate

OVERALL CHARACTERISTICS

STOP-BAND ATTENUATION CHARACTERISTICS

FOR DUAL-RATE FILTER

Figure 20.

Figure 21.

PASS-BAND RIPPLE CHARACTERISTICS

TRANSIENT BAND CHARACTERISTICS

FOR DUAL-RATE FILTER

Figure 22.

Figure 23.

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