Datasheet

AD9760
–10–
REV. B
FREQUENCY – MSPS
dBc
–70
–75
–95
0 20 140
40 60 80 100 120
–80
–85
–90
2ND
HARMONIC
3RD
HARMONIC
4TH
HARMONIC
Figure 30. THD vs. f
CLOCK
f
OUT
= 2 MHz
0.5
–0.2
–0.5
1000
ERROR – LSB
250 500 750
0.4
–0.1
0.1
0
–0.3
0.2
–0.4
0.3
CODE
0
875125 375 625
Figure 33. Typical INL
10dB – Div
0
–100
START: 0.3MHz STOP: 62.5MHz
f
CLOCK
= 125MSPS
f
OUT
= 9.95MHz
SFDR = 62dBc
AMPLITUDE = 0dBFS
Figure 36. Single-Tone SFDR
I
REF
– mA
SFDR – dBc
80
70
24 20
14
60
50
40
75
65
55
45
6 8 10 12 16 18
2.5MHz
10MHz
22.4MHz
28.6MHz
Figure 31. SFDR vs. f
OUT
and I
OUTFS
@ 100 MSPS, 0 dBFS
0.5
–0.2
1000
ERROR – LSB
250 500 750
0.4
–0.1
0.1
0
0.2
0.3
CODE
0 875125 375 625
Figure 34. Typical DNL
10dB – Div
0
–100
START: 0.3MHz STOP: 50.0MHz
f
CLOCK
= 100MSPS
f
OUT1
= 13.5MHz
f
OUT2
= 14.5MHz
SFDR = 59.0dBc
AMPLITUDE = 0dBFS
Figure 37. Dual-Tone SFDR
OUTPUT FREQUENCY – MHz
SFDR – dBc
75
70
45
1 10 100
60
55
50
65
IDIFF @
–6dBFS
IDIFF @
0dBFS
I
OUTA
@
–6dBFS
I
OUTA
@
0dBFS
Figure 32. Differential vs. Single
Ended SFDR vs. f
OUT
@ 100 MSPS
TEMPERATURE – ⴗC
SFDR – dBc
80
75
50
–40 –20 80
60
70
65
60
55
40200
2.5MHz
10MHz
28.6MHz
45
40
Figure 35. SFDR vs. Temperature
@ 100 MSPS, 0 dBFS
10dB – Div
–10
–110
START: 0.3MHz STOP: 25.0MHz
f
CLOCK
= 50MSPS
f
OUT1
= 6.25MHz
f
OUT2
= 6.75MHz
f
OUT3
= 7.25MHz
f
OUT4
= 7.75MHz
SFDR = 71dBc
AMPLITUDE = 0dBFS
Figure 38. Four-Tone SFDR