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

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

Input Sample Rate

(Single-speed mode) Fs

16

(Double-speed mode) Fs

50

(Quad-speed mode) Fs

100

-

50

-

100

-

200

LRCK Duty Cycle

45

50

55

MCLK Frequency

(Single-speed 256 Fs,

Double speed 128 Fs or Quad-speed 64 Fs)

4.096

-

12.8

MCLK Frequency

(Single-speed 384 Fs,

Double speed 192 Fs or Quad-speed, 96 Fs

6.144

-

19.2

MCLK Frequency

(Single-speed 512 Fs,

Double speed 256 Fs or Quad-speed, 128 Fs

8.192

-

25.6

MCLK Frequency

(Single-speed 768 Fs,

Double speed 384 Fs or Quad-speed, 192 Fs

12.288

-

38.4

MCLK Duty Cycle

40

50

60

SCLK Frequency

(Single-speed mode)

(Double-speed mode)

(Quad-speed mode)

-

- 256×Fs

-

- 128×Fs

-

- 64×Fs

SCLK rising to LRCK edge delay

SCLK rising to LRCK edge setup time

SDATA valid to SCLK rising setup time

SCLK rising to SDATA hold time

tslrd

20

tslrs

20

tsdlrs

20

tsdh

20

-

-

-

-

-

-

-

-

Unit

kHz

kHz

kHz

%

MHz

MHz

MHz

MHz

%

Hz

Hz

Hz

ns

ns

ns

ns

LRCK

SCLK

SDATA

t slrd

t sdlrs

t slrs

t sdh

Figure 1. Serial Audio Input Timing

10

DS333F1

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