User guide

CS5376A
DS612F4 17
SWITCHING CHARACTERISTICS
CLK, SYNC, MCLK, MSYNC, and MDATAx
Notes: 3. Master clock frequencies above or below 32.768 MHz will affect generated clock frequencies.
4. Sampling synchronization between multiple CS5376A devices receiving identical SYNC signals.
Parameter Symbol Min Typ Max Unit
Master Clock Frequency (Note 3) CLK 32 32.768 33 MHz
Master Clock Duty Cycle DTY 40 - 60 %
Master Clock Rise Time t
RISE
- - 20 ns
Master Clock Fall Time t
FALL
- - 20 ns
Master Clock Jitter JTR - - 300 ps
Synchronization after SYNC rising (Note 4) SYNC -2 - 2 µs
MSYNC Setup Time to MCLK rising t
msr
20 - - ns
MCLK rising to Valid MDATA t
mdv
- - 75 ns
MSYNC falling to MCLK rising t
msf
20 - - ns
MSYNC
MCLK
MDATAx
Figure 7. SYNC, MCLK, MSYNC, MDATA Interface Timing
t
msd
t
msd
t
msh
Data1 Data2
SYNC
f
MCLK
2.048 MHz 1.024 MHz
t
msd
= T
MCLK
/ 4 t
msd
= 122 ns t
msd
= 244 ns
t
msh
= T
MCLK
t
msh
= 488 ns t
msh
= 976 ns
Note: SYNC input latched on MCLK rising edge. MSYNC output triggered by MCLK falling edge.