Datasheet

REV. B
AD9226
–11–
FREQUENCY – MHz
1 1000
HARMONICS – dBc
100
10
55
65
75
105
95
85
4th HARMONIC
3RD HARMONIC
2ND HARMONIC
TPC 13. Harmonics vs. Frequency
100
90
85
95
SAMPLE RATE – MSPS
10 20 30 40 50 7060
SFDR – dBc
80
f
IN
= 2MHz
f
IN
= 12MHz
f
IN
= 20MHz
TPC 14. SFDR vs. Sample Rate
CODE
4000
INL – LSB
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
3500300025002000150010005000
TPC 15. Typical INL
70.5
70
69.5
69
69.25
69.75
70.25
SAMPLE RATE – MSPS
10 20 30 40 50 7060
SINAD – dBc
f
IN
= 2MHz
f
IN
= 12MHz
f
IN
= 20MHz
TPC 16. SINAD vs. Sample Rate
% POSITIVE DUTY CYCLE
30 45
SINAD/SFDR – dBc
35 50 55 70
45
50
55
60
65
70
75
80
85
90
40 60 65
SFDR – CLOCK STABILIZER ON
SINAD – CLOCK STABILIZER ON
SFDR – CLOCK STABILIZER OFF
SINAD – CLOCK STABILIZER OFF
TPC 17. SINAD/SFDR vs. Duty Cycle @ f
IN
= 20 MHz
CODE
1
0
–1
0
DNL – LSB
500
1k
1500 2k 2500 3k 3500 4k
–0.8
–0.6
–0.4
–0.2
0.2
0.4
0.6
0.8
TPC 18. Typical DNL