DS563F2

7

CS5381

DIGITAL FILTER CHARACTERISTICS

6.

The filter frequency response scales precisely with Fs.

7.

Response shown is for Fs equal to 48 kHz. Filter characteristics scale with Fs.

Parameter

Symbol

Min

Typ

Max

Unit

Single-Speed Mode (2 kHz to 54 kHz sample rates)

Passband

(-0.1 dB)

(Note 6)

0

-

0.47

Fs

Passband Ripple

-0.1

-

0.035

dB

Stopband

(Note 6)

0.58

-

-

Fs

Stopband Attenuation

-95

-

-

dB

Total Group Delay (Fs = Output Sample Rate)

-12/Fs

-

s

Double-Speed Mode (50 kHz to 108 kHz sample rates)

Passband

(-0.1 dB)

(Note 6)

0

-

0.45

Fs

Passband Ripple

-0.1

-

0.035

dB

Stopband

(Note 6)

0.68

-

-

Fs

Stopband Attenuation

-92

-

-

dB

Total Group Delay (Fs = Output Sample Rate)

-9/Fs

-

s

Quad-Speed Mode (100 kHz to 216 kHz sample rates)

Passband

(-0.1 dB)

(Note 6)

0

-

0.24

Fs

Passband Ripple

-0.1

-

0.035

dB

Stopband

(Note 6)

0.78

-

-

Fs

Stopband Attenuation

-97

-

-

dB

Total Group Delay (Fs = Output Sample Rate)

-5/Fs

-

s

High-Pass Filter Characteristics

Frequency Response

-3.0 dB

-0.13 dB

(Note 7)

-1

20

-

-

Hz

Hz

Phase Deviation

@ 20 Hz

(Note 7)

-10

-

Deg

Passband Ripple

--

0

dB

Filter Setting Time

s