Datasheet

AD9288
Rev. C | Page 5 of 24
TIMING DIAGRAMS
00585-003
SAMPLE N SAMPLE N + 1
SAMPLE N + 2 SAMPLE N + 3 SAMPLE N + 4
SAMPLE N + 5
DATA N – 4
DATA N – 4
DATA N – 3 DATA N – 2 DATA N – 1 DATA N DATA N + 1
A
IN
A, A
IN
B
ENCODE A, B
D7
A
–D0
A
D7
B
–D0
B
DATA N – 3 DATA N – 2 DATA N – 1 DATA N DATA N + 1
t
EH
1/f
s
t
EL
t
A
t
PD
t
V
Figure 2. Normal Operation, Same Clock (S1 = 1, S2 = 0) Channel Timing
00585-004
SAMPLE
N
SAMPLE
N + 1
SAMPLE
N + 2
SAMPLE
N + 3
SAMPLE
N + 4
A
IN
A, A
IN
B
ENCODE A
ENCODE B
D7
A
–D0
A
D7
B
–D0
B
t
EH
1/f
s
t
EL
t
A
t
PD
t
V
DATA N – 7 DATA N – 5 DATA N – 3 DATA N – 1 DATA N + 1 DATA N + 3
DATA N – 8 DATA N – 6 DATA N – 4 DATA N – 2 DATA N DATA N + 2
Figure 3. Normal Operation with Two Clock Sources (S1 = 1, S2 = 0) Channel Timing