AD9748ACP-PCB Analog Devices Inc, AD9748ACP-PCB Datasheet - Page 10

• Manufacturer Part Number: AD9748ACP-PCB
• Description: BOARD EVAL FOR AD9748ACP
• Manufacturer: Analog Devices Inc
• Series: TxDAC®r

Specifications of AD9748ACP-PCB

• Rohs Status: RoHS non-compliant
• Number Of Dac's: 1
• Number Of Bits: 8
• Outputs And Type: 1, Differential
• Sampling Rate (per Second): 210M
• Data Interface: Parallel
• Settling Time: 11ns
• Dac Type: Current
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD9748

AD9748
Figure 11. Single-Tone Spectral Plot @ 125 MSPS (Single-Ended Output)
Figure 12. Single-Tone Spectral Plot @ 165 MSPS (Single-Ended Output)
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
0
f
f
SFDR = 50.1dBc
AMPLITUDE = 0dBFS
CLOCK
OUT
10
10
= 49MHz
= 165MSPS
20
R
SET
CLK+
CLK–
20
FREQUENCY (MHz)
30
FREQUENCY (MHz)
0.1μF
3.3V
3.3V
30
40
REFIO
FS ADJ
DVDD
DCOM
CLKVDD
CLKCOM
SLEEP
50
f
f
SFDR = 56.2dBc
AMPLITUDE = 0dBFS
CLOCK
OUT
40
1.2V REF
= 27MHz
60
= 125MSPS
DIGITAL DATA INPUTS (DB7–DB0)
SEGMENTED
50
SWITCHES
70
Figure 15. Simplified Block Diagram
150pF
80
60
LATCHES
Rev. A | Page 10 of 24
CURRENT
SOURCE
SWITCHES
ARRAY
3.3V
LSB
AVDD
Figure 14. Single-Tone Spectral Plot @ 210 MSPS (Single-Ended Output)
AD9748
–100
ACOM
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
Figure 13. Step Response (Single-Ended Output)
f
f
SFDR = 50dBc
AMPLITUDE = 0dBFS
CLOCK
OUT
MODE
CMODE
IOUTA
IOUTB
= 68MHz
V
= 210MSPS
DIFF
= V
R
50Ω
OUTA
FREQUENCY (MHz)
LOAD
5ns/DIV
= V
10.5
OUTB
R
50Ω
LOAD
105