CS4385_08 Datasheet, PDF (16/55 Pages) Cirrus Logic – 114 dB, 192 kHz 8-Channel D/A Converter

SWITCHING CHARACTERISTICS - DSD
Logic 0 = GND; Logic 1 = VLS; C_L = 20 pF.
Parameter
Symbol
MCLK Duty Cycle
DSD_SCLK Pulse Width Low
DSD_SCLK Pulse Width High
DSD_SCLK Frequency
(64x Oversampled)
(128x Oversampled)
t_sclkl
t_sclkh
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)
t_sdlrs
t_sdh
t_dpm
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
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DS671F2