CS4365
SWITCHING CHARACTERISTICS - DSD
(Logic 0 = AGND = DGND; Logic 1 = VLS; C = 20 pF)
L
Parameter
MCLK Duty Cycle
Symbol
Min
40
Typ
Max
Unit
%
-
-
-
60
-
DSD_SCLK Pulse Width Low
DSD_SCLK Pulse Width High
t
160
160
ns
sclkl
t
-
ns
sclkh
DSD_SCLK Frequency
(64x Oversampled)
(128x Oversampled)
1.024
2.048
-
-
3.2
6.4
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
20
20
-
-
-
-
-
ns
ns
ns
sdlrs
t
sdh
t
-20
20
dpm
t
sclkh
t
sclkl
DSD_SCLK
DSDxx
t
t
sdlrs
sdh
Figure 3. Direct Stream Digital - Serial Audio Input Timing
t
t
dpm
dpm
DSD_SCLK
(128Fs)
DSD_SCLK
(64Fs)
DSDxx
Figure 4. Direct Stream Digital - Serial Audio Input Timing for Phase
Modulation mode
DS670PP1
15
CIRRUS [ CIRRUS LOGIC ]
