Cirrus-logic CS4397 User Manual download pdf (Page 12)

CS4397

12 DS333F1

8X INTERPOLATOR - SWITCHING CHARACTERISTICS (T

= -10 to 70°C;

Logic 0 = AGND = DGND; Logic 1 = VD = 5.25 to 3.0 Volts; C

=20pF)

Notes: 10. Fs refers to the input sample rate to the Digital-to-Analog converter, i.e. Fs = 44.1 kHz × 8 = 352.8 kHz.

Parameter Symbol Min Typ Max Unit

Input Sample Rate (Note 10) Fs 128 - 400 kHz

MCLK Frequency (MCLK = 32×Fs)

(MCLK = 48×Fs)

(MCLK = 64×Fs)

(MCLK = 96×Fs)

4.096

6.144

8.192

12.288

12.8

19.2

25.6

28.4

MHz

MCLK Duty Cycle 40 - 50 %

WCKI Duty Cycle 25 - 75 %

BCKI Frequency 32xFs MHz

BCKI rising to WCKI edge delay t

slrd

20 --ns

BCKI rising to WCKI edge setup time t

slrs

20 --ns

SDATA valid to BCKI rising setup time t

sdlrs

20 --ns

BCKI rising to DIL/DIR hold time t

sdh

20 --ns

sclkh

slrs

slrd

sdlrs

sdh

sclkl

DIL/DIR

BCKI

WCKI

Figure 3. Serial Audio Input Timing

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 33 34

Features 1
Description 1
TABLE OF CONTENTS 2
TABLE OF FIGURES 3
ANALOG CHARACTERISTICS (T 4
Power Supplies 5
Analog Output 5
Figures 9-28 6
Analog Output - DSD Mode 7
Dynamic Performance Mode 8
DIGITAL CHARACTERISTICS (T 9
SWITCHING CHARACTERISTICS (T 10
DSD_L, DSD_R 11
SPI Mode 14
DS333F1 15 15
This function will be 16
7.0 APPLICATIONS 25
8.0 CONTROL PORT INTERFACE 26
8.1 SPI Mode 26
27
30 DS333F1 30
Frequency 31
12 11 1014 32
9.0 PARAMETER DEFINITIONS 33
10.0 REFERENCES 33
11.0 PACKAGE DIMENSIONS 34

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Cirrus-logic CS4397 User Manual Page 12

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