CDB5333 Просмотр технического описания (PDF) - Cirrus Logic

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CDB5333

24-Bit, 96 kHz Stereo A/D Converter

Cirrus Logic 

CS5333

ANALOG CHARACTERISTICS (Continued)

Base-rate Mode

High-rate Mode

Parameter

Symbol Min Typ Max Min Typ Max Unit

A/D Decimation Filter Characteristics (Note 2)

Passband

(Note 3)

0

- 23.5 0

- 47.5 kHz

Passband Ripple

-0.08 - +0.17 -0.09 -

0 dB

Stopband

(Note 3)

27.5 -

- 64.1 -

- kHz

Stopband Attenuation

(Note 4)

-60.3 -

- -48.4 -

-

dB

Group Delay (Fs = Output Sample Rate) (Note 5) tgd

Group Delay Variation vs. Frequency

∆tgd

High Pass Filter Characteristics

- 10/Fs -

- 2.7/Fs -

s

-

- 0.03 -

- 0.007 µs

Frequency Response

-3 dB

-0.1 dB

(Note 3)

-

3.7

-

- 24.2 -

-

3.7

-

Hz

-

24.2 -

Hz

Phase Deviation

@ 20 Hz

(Note 3)

-

10

-

-

10

- Degree

Passband Ripple

(Note 2)

-

- 0.17 -

- 0.09 dB

Notes: 2. Filter response is guaranteed by design.

3. Filter characteristics scale with output sample rate. For output sample rates, Fs, other than 48 kHz, the

0.01 dB passband edge is 0.4535x Fs and the stopband edge is 0.625x Fs.

4. The analog modulator samples the input at 6.144 MHz for an Fs equal to 48 kHz. There is no rejection

of input signals which are multiples of the sampling frequency (n x 6.144 MHz ±21.8 kHz where

n = 0,1,2,3...).

5. Group delay for Fs = 48 kHz, tgd = 15/48 kHz = 312 µs.

DS520PP1

5

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