CDB4385 Просмотр технического описания (PDF) - Cirrus Logic

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CDB4385

114 dB, 192 kHz 8-Channel D/A Converter

Cirrus Logic 

SWITCHING CHARACTERISTICS - DSD

Logic 0 = GND; Logic 1 = VLS; CL = 20 pF.

Parameter

Symbol

MCLK Duty Cycle

DSD_SCLK Pulse Width Low

DSD_SCLK Pulse Width High

DSD_SCLK Frequency

(64x Oversampled)

(128x Oversampled)

tsclkl

tsclkh

DSD_A / _B valid to DSD_SCLK rising setup time

DSD_SCLK rising to DSD_A or DSD_B hold time

DSD clock to data transition (Phase Modulation Mode)

tsdlrs

tsdh

tdpm

Min

40

160

160

1.024

2.048

20

20

-20

CS4385

Typ Max

-

60

-

-

-

-

-

3.2

-

6.4

-

-

-

-

-

20

Unit

%

ns

ns

MHz

MHz

ns

ns

ns

DSD_SCLK

DSDxx

t sclkh

t sclkl

t sdlrs t sdh

Figure 3. Direct Stream Digital - Serial Audio Input Timing

DSD_SCLK

(128Fs)

DSD_SCLK

(64Fs)

t dpm

t dpm

DSDxx

Figure 4. Direct Stream Digital - Serial Audio Input Timing for Phase Modulation Mode

16

DS671F2

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