AD9148 Analog Devices, AD9148 Datasheet - Page 7

• Manufacturer Part Number: AD9148
• Manufacturer: Analog Devices

Specifications of AD9148

• Resolution (bits): 16bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

Data Sheet
DIGITAL INPUT DATA TIMING SPECIFICATIONS
Table 3.
Parameter
LATENCY (DACCLK CYCLES)
Table 4. Maximum Rate
Interface Mode
Dual Port Mode
Single Port Mode or Byte Mode
1× Interpolation (with or Without Coarse Modulation)
2× Interpolation (with or Without Coarse Modulation)
4× Interpolation (with or Without Coarse Modulation)
8× Interpolation (with or Without Coarse Modulation)
Inverse Sinc (1× Interpolation)
Inverse Sinc (2× Interpolation)
Inverse Sinc (4× Interpolation)
Inverse Sinc (8× Interpolation)
Fine Modulation
Power–Up Time
PORT A
PORT B
DATA
DATA
DCIA
DCIB
ONE DCI
f
INTERFACE
LATCH
INPUT
LATCH
INPUT
ASSEMBLER
ASSEMBLER
DATA
DATA
INTERFACE
MODE
WRITE PTR A
WRITE PTR B
32
f
620
1200
Figure 3. Defining Maximum Rates
INTERFACE
32
f
DATA
Rev. B | Page 7 of 72
FIFO B
FIFO A
32
32
f
310
300
DATA
2×
2×
f
Maximum Rate (MSPS)
HB1
AND DISTRIBUTOR
CLK GENERATOR
DATAPATH
DATAPATH
2×
2×
f
620
600
Min
HB1
f
HB2
2×
2×
f
HB3
Typ
64
125
254
508
10
20
40
80
12
100
f
1000
1000
HB2
32
32
DAC1
DAC2
DAC3
DAC4
AND
AND
Max
f
DACCLK
DAC
f
1000
1000
HB3
AD9148
Unit
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
ms
f
1000
1000
DAC