CS42418-DQZ Просмотр технического описания (PDF) - Cirrus Logic

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CS42418-DQZ

110 dB, 192 kHz 8-Ch Codec with PLL

Cirrus Logic 

A/D DIGITAL FILTER CHARACTERISTICS

CS42418

Parameter

Single-Speed Mode (2 to 50 kHz sample rates)

Passband

(-0.1 dB)

Passband Ripple

Stopband

Stopband Attenuation

Total Group Delay (Fs = Output Sample Rate)

Group Delay Variation vs. Frequency

Double-Speed Mode (50 to 100 kHz sample rates)

Passband

(-0.1 dB)

Passband Ripple

Stopband

Stopband Attenuation

Total Group Delay (Fs = Output Sample Rate)

Group Delay Variation vs. Frequency

Quad-Speed Mode (100 to 192 kHz sample rates)

Passband

(-0.1 dB)

Passband Ripple

Stopband

Stopband Attenuation

Total Group Delay (Fs = Output Sample Rate)

Group Delay Variation vs. Frequency

High-Pass Filter Characteristics

Frequency Response

-3.0 dB

-0.13 dB

Phase Deviation

@ 20 Hz

Passband Ripple

Filter Setting Time

Symbol Min Typ Max Unit

(Note 5)

(Note 5)

tgd

∆tgd

(Note 5)

(Note 5)

tgd

∆tgd

(Note 5)

(Note 5)

tgd

∆tgd

(Note 6)

(Note 6)

0

-

0.47 Fs

-

- ±0.035 dB

0.58

-

-

Fs

-95

-

-

dB

- 12/Fs -

s

-

-

0.0

µs

0

-

0.45 Fs

-

- ±0.035 dB

0.68

-

-

Fs

-92

-

-

dB

-

9/Fs

-

s

-

-

0.0

µs

0

-

0.24 Fs

-

- ±0.035 dB

0.78

-

-

Fs

-97

-

-

dB

-

5/Fs

-

s

-

-

0.0

µs

-

1

-

Hz

20

-

Hz

-

10

-

Deg

-

-

0

dB

- 105/Fs -

s

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.

8

DS603F1

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