
AD9709
Rev. B | Page 5 of 32
DIGITAL SPECIFICATIONS
TMIN to TMAX, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V IOUTFS = 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 (tS)
2.0
ns
Input Hold Time (tH)
1.5
ns
Latch Pulse Width (tLPW, tCPW)
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)
tPD
IOUTA
OR
IOUTB
00
606
-002
tS
tH
tLPW
tCPW
Figure 2. Timing for Dual and Interleaved Modes