Datasheet

AD9709
Rev. B | Page 5 of 32
DIGITAL SPECIFICATIONS
T
MIN
to T
MAX
, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V I
OUTFS
= 20 mA, unless otherwise noted.
Table 3.
Parameter Min Typ Max Unit
DIGITAL INPUTS
Logic 1 Voltage @ DVDD1 = DVDD2 = 5 V 3.5 5 V
Logic 1 Voltage @ DVDD1 = DVDD2 = 3.3 V 2.1 3 V
Logic 0 Voltage @ DVDD1 = DVDD2 = 5 V 0 1.3 V
Logic 0 Voltage @ DVDD1 = DVDD2 = 3.3 V 0 0.9 V
Logic 1 Current −10 +10 μA
Logic 0 Current −10 +10 μA
Input Capacitance 5 pF
Input Setup Time (t
S
) 2.0 ns
Input Hold Time (t
H
) 1.5 ns
Latch Pulse Width (t
LPW
, t
CPW
) 3.5 ns
Timing Diagram
See Table 3 and the DAC Timing section for more information about the timing specifications.
DATA IN
(WRT2) (WRT1/IQWRT)
(CLK2) (CLK1/IQCLK)
t
PD
I
OUTA
OR
I
OUTB
00606-002
t
S
t
H
t
LPW
t
CPW
Figure 2. Timing for Dual and Interleaved Modes