CS42526 datasheet(9/90 Pages) CIRRUS

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DS585PP5

CS42526

A/D DIGITAL FILTER CHARACTERISTICS

Notes: 5. The filter frequency response scales precisely with Fs.

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

Parameter

Symbol

Min

Typ

Max

Unit

Single Speed Mode (2 to 50 kHz sample rates)

Passband

(-0.1 dB)

(Note 5)

0.47

Passband Ripple

±0.035

Stopband

(Note 5)

0.58

Stopband Attenuation

-95

Total Group Delay (Fs = Output Sample Rate)

tgd

-12/Fs

Group Delay Variation vs. Frequency

∆tgd

0.0

µs

Double Speed Mode (50 to 100 kHz sample rates)

Passband

(-0.1 dB)

(Note 5)

0.45

Passband Ripple

±0.035

Stopband

(Note 5)

0.68

Stopband Attenuation

-92

Total Group Delay (Fs = Output Sample Rate)

tgd

-9/Fs-

Group Delay Variation vs. Frequency

∆tgd

0.0

µs

Quad Speed Mode (100 to 192 kHz sample rates)

Passband

(-0.1 dB)

(Note 5)

0.24

Passband Ripple

±0.035

Stopband

(Note 5)

0.78

Stopband Attenuation

-97

Total Group Delay (Fs = Output Sample Rate)

tgd

-5/Fs-

Group Delay Variation vs. Frequency

∆tgd

0.0

µs

High Pass Filter Characteristics

Frequency Response

-3.0 dB

-0.13 dB

(Note 6)

-1

Phase Deviation

@ 20 Hz

(Note 6)

Deg

Passband Ripple

Filter Setting Time

105/Fs

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