AD9789 Analog Devices, AD9789 Datasheet - Page 3

• Manufacturer Part Number: AD9789
• Description: 14-Bit, 2400 MSPS RF DAC with 4-Channel Signal Processing
• Manufacturer: Analog Devices

Specifications of AD9789

• Resolution (bits): 14bit
• Dac Update Rate: 2.4GSPS
• Dac Settling Time: 13ns
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

DETAILED FUNCTIONAL BLOCK DIAGRAMS
DCO
32 INPUT
FS
P0
P1
PINS
LVDS/CMOS
Figure 3. Channel 0 Through Channel 3 Datapath Block Detail (I and Q Paths Are Identical So Only One Is Shown)
16 TO 31
0 TO 15
CMOS
LVDS
CMOS
FALL
LVDS
RISE
MAPPER
SCALE
INPUT
QAM
RETIMER
CLK
CTL
BYPASS
QAM
32 BITS
Figure 2. Digital Signal Processing Functional Block Diagram
4 TO
DATA FORMATTER/
ASSEMBLER
SRRC
2
Rev. A | Page 3 of 76
BYPASS
SRRC
32 BITS
32 BITS
32 BITS
32 BITS
UP TO
UP TO
UP TO
UP TO
(N = 0 TO 5)
2
DATA-
DATA-
DATA-
DATA-
N
PATH
PATH
PATH
PATH
0
1
2
3
CONVERTER
(P/Q = 0.5 TO 1)
SCALE
P/Q 24-BIT
SUM
RATE
INTERPOLATOR
0 TO
24-BIT NCO
16×
f
DAC
CH GAIN
0× TO 2×
/16
f
C
f
DAC
BPF
= 0 TO
BPF
f
C
/2
AD9789