PCM4202

SBAS290B − JULY 2003 − SEPTEMBER 2004

www.ti.com

8

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C with VCC = +5V, VDD = +3.3V, and a measurement bandwidth from 20Hz to 20kHz, unless otherwise noted.

PASSBAND RIPPLE CHARACTERISTICS

DUAL RATE FILTER

0.02

0

−0.02

−0.04

−0.06

−0.08

−0.1

0

0.1

0.2

0.3

0.4

0.5

0.6

Normalized Frequency (f

f

TRANSIENT BAND CHARACTERISTICS

DUAL RATE FILTER

Normalized Frequency (f

f

0

−1

−2

−3

−4

−5

−6

−7

−8

−9

−10

0.51

0.49

0.47

0.45

0.53

0.55

OVERALL CHARACTERISTICS

QUAD RATE FILTER

Normalized Frequency (f

50

0

−50

−100

−150

−200

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

0

f

STOP BAND ATTENUATION CHARACTERISTICS

QUAD RATE FILTER

0

0.25

0.5

0.75

1

Normalized Frequency (f

f

0

−10

−20

−30

−40

−50

−60

−70

−80

−90

−100

−110

−120

−130

−140

−150

PASSBAND RIPPLE CHARACTERISTICS

QUAD RATE FILTER

0.02

0

−0.02

−0.04

−0.06

−0.08

−0.1

0

0.1

0.2

0.3

0.4

0.5

0.6

Normalized Frequency (f

f

TRANSIENT BAND CHARACTERISTICS

QUAD RATE FILTER

Normalized Frequency (f

0

−1

−2

−3

−4

−5

−6

−7

−8

−9

−10

0.51

0.49

0.47

0.45

0.53

0.55

f

−3.90dB at 0.5f

S