Datasheet

Data Sheet AD5535B
Rev. A | Page 5 of 16
TIMING CHARACTERISTICS
V
PP
= 210 V; V
+
= +5 V; AV
CC
= 5.25 V; DV
CC
= 2.7 V to 5.25 V; AGND = DGND = DAC_GND = 0 V; REF_IN = 4.096 V. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter
1, 2, 3
A Grade Unit Test Conditions/Comments
f
UPDATE
1.2 MHz max Channel update rate
f
CLKIN
30 MHz max SCLK frequency
t
1
13 ns min SCLK high pulse width
t
2
13 ns min SCLK low pulse width
t
3
15 ns min
SYNC
falling edge to SCLK falling edge setup time
t
4
50 ns min
SYNC
low time
t
5
10 ns min
SYNC
high time
t
6
10 ns min D
IN
setup time
t
7
5 ns min D
IN
hold time
t
8
200 ns min 19
th
SCLK falling edge to
SYNC
falling edge for next write
t
9
20 ns min
RESET
pulse width
1
See Figure 2.
2
Guaranteed by design and characterization, not production tested.
3
All input signals are specified with tr = tf = 5 ns (10% to 90% of DV
CC
) and timed from a voltage level of (V
IL
+ V
IH
)/2.
Figure 2. Serial Interface Timing Diagram
1
LSB
16 17
18 19
MSB
1
RESET
2
3
4
5
t
8
t
7
t
6
t
4
t
9
D
IN
SYNC
SCLK
t
5
t
3
t
2
t
1
10852-002