AD9777 Datasheet, PDF (11/48 Pages) Analog Devices – 16-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC+ D/A Converter

AD9777
(T = 25؇C, AVDD = 3.3 V, CLKVDD = 3.3 V, DVDD = 3.3 V, I_OUTFS = 20 mA, Interpolation = 2؋, Differential Coupled Transformer Output, 50 ⍀
Doubly Terminated, unless otherwise noted.)
90
0dBFS
85
90
0dBFS
85
90
0dBFS
85
80
–3dBFS
75
–6dBFS
70
80
75
–3dBFS _–6dBFS
70
80
–3dBFS
75
–6dBFS
70
65
65
65
60
60
60
55
55
55
50
0
5
10 15 20 25 30
FREQUENCY – MHz
50
0
5
10 15 20 25 30
FREQUENCY – MHz
50
0
10 20 30 40 50 60
FREQUENCY – MHz
TPC 10. Third Order IMD Products
vs. Two-Tone f_OUT @ f_DATA = 65 MSPS
TPC 11. Third Order IMD Products
vs. Two-Tone f_OUT @ f_DATA = 78 MSPS
TPC 12. Third Order IMD Products
vs. Two-Tone f_OUT @ f_DATA = 160 MSPS
90
4؋
85
80
8؋
75
1؋
70
2؋
65
60
55
50
0
10 20 30 40 50 60
FREQUENCY – MHz
TPC 13. Third Order IMD Products
vs. Two-Tone f_OUT and Interpola-
tion Rate
1Ï« f_DATA = 160 MSPS,
2Ï« f_DATA = 160 MSPS,
4Ï« f_DATA = 80 MSPS,
8Ï« f_DATA = 50 MSPS
90
8؋
85
80
75
70 ^2؋
4؋
1؋
65
60
55
50
–15
–10
–5
0
A_OUT – dBFS
TPC 14. Third Order IMD Products vs.
Two-Tone A_OUT and Interpolation Rate
f_DATA = 50 MSPS for All Cases
1Ï« f_DAC = 50 MSPS,
2Ï« f_DAC = 100 MSPS,
4Ï« f_DAC = 200 MSPS,
8Ï« f_DAC = 400 MSPS
90
85
0dBFS
80
–6dBFS
75
–12dBFS
70
65
60
55
50
3.1
3.2
3.3
3.4
3.5
AVDD – V
TPC 15. SFDR vs. AVDD @
f_OUT = 10 MHz, f_DAC = 320 MSPS,
f_DATA = 160 MSPS
90
0dBFS
85
–3dBFS
80
–6dBFS
75
70
65
60
55
50
3.1
3.2
3.3
3.4
3.5
AVDD – V
TPC 16. Third Order IMD Products
vs. AVDD @ f_OUT = 10 MHz,
f_DAC = 320 MSPS, f_DATA = 160 MSPS
REV. 0
90
85
PLL OFF
80
75
70
PLL ON
65
60
55
50
0
50
100
150
INPUT DATA RATE – MSPS
TPC 17. SNR vs. Data Rate for
f_OUT = 5 MHz
–11–
90
78MSPS
85
80
75
FDATA = 65MSPS
70
160MSPS
65
60
55
50
–50
0
50
100
TEMPERATURE – ؇C
TPC 18. SFDR vs. Temperature @
f_OUT = f_DATA/11