CS4365
SWITCHING CHARACTERISTICS - DSD
Logic 0 = GND; Logic 1 = VLS; C L = 20 pF .
Parameter
MCLK Duty Cycle
DSD_SCLK Pulse Width Low
DSD_SCLK Pulse Width High
DSD_SCLK Frequency
(64x Oversampled)
(128x Oversampled)
Symbol
t sclkl
t sclkh
Min
40
160
160
1.024
2.048
Typ
-
-
-
-
-
Max
60
-
-
3.2
6.4
Unit
%
ns
ns
MHz
MHz
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
20
20
-20
-
-
-
-
-
20
ns
ns
ns
t sclkh
t sclkl
DSD_SCLK
t sdlrs
t sdh
DSDxx
Figure 2. Direct Stream Digital - Serial Audio Input Timing
t dpm
t dpm
DSD_SCLK
(128Fs)
DSD_SCLK
(64Fs)
DSDxx
Figure 3. Direct Stream Digital - Serial Audio Input Timing for Phase Modulation Mode
16
DS670F2
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