AD9788 Analog Devices, AD9788 Datasheet - Page 34

• Manufacturer Part Number: AD9788
• Description: Dual 16-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO
• Manufacturer: Analog Devices

Specifications of AD9788

• Resolution (bits): 16bit
• Dac Update Rate: 800MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9785/AD9787/AD9788
Table 25. Data Timing Specifications vs. Temperature
Timing Parameter
Data with respect to REFCLK
Data with respect to DATACLK
SYNC_I with respect to REFCLK
QFIRST = 0
QFIRST = 1
DATACLK
INPUT
DATA
Temperature
−40°C
+25°C
+85°C
−40°C to +85°C
−40°C
+25°C
+85°C
−40°C to +85°C
−40°C
+25°C
+85°C
−40°C to +85°C
P1D_SMP[15:0]
Q DAC[15:0]
Q DAC[15:0]
Figure 48. Single-Port (Interleaved) Mode Digital Interface Timing
IQSEL_SMP
TXENABLE
I DAC[15:0]
I DAC[15:0]
DATACLK
SMP_CLK
P1D[15:0]
P1D(1)
Figure 47. DATACLK Timing
P1D(1)
Rev. A | Page 34 of 64
P1D(2)
P1D(2)
t
SDATACLK
P1D(3)
Min t
−0.25
−0.45
−0.6
−0.25
3.7
4.2
4.6
4.6
0.45
0.3
0.2
0.45
P1D(3)
S
P1D(4)
P1D(1)
P1D(2)
P1D(1)
(ns)
P1D(4)
t
HDATACLK
P1D(5)
P1D(5)
P1D(6)
P1D(3)
P1D(4)
P1D(3)
P1D(4)
P1D(6)
Min t
1.7
2.1
2.4
2.4
−1.5
−1.8
−2.0
−1.5
−0.1
0.1
0.25
0.25
P1D(7)
P1D(7)
H
P1D(8)
P1D(5)
P1D(6)
P1D(5)
P1D(6)
(ns)
P1D(8)
Min DVW (ns)
1.45
1.65
1.8
2.15
2.2
2.4
2.6
3.1
0.35
0.4
0.45
0.7