AD9762
–70
–75
2ND
HARMONIC
–80
3RD
HARMONIC
–85
–90
–95
0
4TH
HARMONIC
20 40 60 80 100 120 140
FREQUENCY – MSPS
Figure 12. THD vs. fCLOCK @
fOUT = 2 MHz
80
75
2.5MHz
70
10MHz
65
60
22.2MHz
55
50
40MHz
45
40
35
30
2 4 6 8 10 12 14 16 18 20
IOUTFS – mA
Figure 13. SFDR vs. fOUT and IOUTFS
@ 100 MSPS, 0 dBFS
1.25
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
0
1000
2000
CODE
3000
Figure 15. Typical INL
4000
1
0.8
0.6
0.4
0.2
0
–0.2
–0.4
0
1000
2000 3000
4000
CODE
Figure 16. Typical DNL
0
0
fCLOCK = 100 MSPS
fOUT = 2.41MHz
SFDR = 72dBc
AMPLITUDE = 0dBFS
fCLOCK = 100 MSPS
fOUT1 = 13.5MHz
fOUT2 = 14.5MHz
SFDR = 62dBc
AMPLITUDE = 0dBFS
75
IDIFF @ 0dBFS
70
IDIFF @ –6dBFS
65
IOUTA @ 0dBFS
60
55
IOUTA @ –6dBFS
50
45
1
10
100
OUTPUT FREQUENCY – MHz
Figure 14. Differential vs. Single-
Ended SFDR vs. fOUT @ 100 MSPS
80
75
2.5MHz
70
65
10MHz
60
55
40MHz
50
–40 –20 0 20 40 60 80
TEMPERATURE – ؇C
Figure 17. SFDR vs. Temperature
@ 100 MSPS, 0 dBFS
–10
fCLOCK = 50 MSPS
fOUT1 = 6.25MHz
fOUT2 = 6.75MHz
fOUT3 = 7.25MHz
fOUT4 = 7.75MHz
SFDR = 71dBc
AMPLITUDE = 0dBFS
–100
START: 0.3 MHz
STOP: 50.0 MHz
Figure 18. Single-Tone SFDR
–100
START: 0.3 MHz
STOP: 50.0 MHz
Figure 19. Dual-Tone SFDR
–110
START: 0.3 MHz
STOP: 25.0 MHz
Figure 20. Four-Tone SFDR
–8–
REV. B