CDB4397 Ver la hoja de datos (PDF) - Cirrus Logic

Número de pieza

componentes Descripción

Fabricante

CDB4397

24-Bit, Multi-Standard D/A Converter for Digital Audio

Cirrus Logic 

CS4397

DSD - SWITCHING CHARACTERISTICS (TA= -10 to 70°C; Logic 0 = AGND = DGND; Logic

1 = VD = 5.25 to 3.0 Volts; CL = 20 pF)

Parameter

Symbol

Min

Typ Max Unit

Input Bit Rate per Channel

(64x Oversampled)

(128x Oversampled)

1.024

2.048

-

3.2

Mb/s

-

6.4

Mb/s

Master Clock Frequency

(CLKMODE = 0)

(CLKMODE = 1)

4.096

6.144

-

12.8 MHz

-

19.2 MHz

MCLK Duty Cycle

(All DSD modes)

40

-

60

%

DSD_SCLK Pulse Width Low

DSD_SCLK Pulse Width High

DSD_SCLK Frequency

(64x Oversampled)

(128x Oversampled)

tsclkl

tsclkh

20

20

1.024

2.048

-

-

ns

-

-

ns

-

3.2

MHz

-

6.4

MHz

DSD_LI_R valid to DSD_SCLK rising setup time

DSD_SCLK rising to DSD_L or DSD_R hold time

tsdlrs

20

tsdh

20

-

-

ns

-

-

ns

DSD_SCLK

DSD_L, DSD_R

t sclkh

t sclkl

t sdlrs t sdh

Figure 2. Direct Stream Digital - Serial Audio Input Timing

DS333F1

11

Share Link: