AD9875
Typical AC Characteristics Curves for TxDAC (RSET = 4.02 k⍀, RDAC = 100 ⍀)
10
90
0
85
–10
–20
80
–30
fDATA = 50MSPS
–40
75
–50
70
–60
–70
–80
–90
0
13 26 38 51 64 77 90 102 115 128
FREQUENCY – MHz
65
fDATA = 50MSPS
60
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
fOUT – MHz
TPC 7. Single Tone Spectral Plot @ fDATA = 32 MSPS,
fOUT = 5 MHz, 4؋ LPF
TPC 10. “Out of Band” SFDR vs. fOUT @ fDATA = 32 MSPS
and 50 MSPS
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
10 20 30 40 50 60 70
FREQUENCY – MHz
80 90 100
TPC 8. Single Tone Spectral Plot @ fDATA = 50 MSPS,
fOUT = 11 MHz, 2؋ LPF
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
6.5 6.6 6.7 6.8 6.9 7.0 7.1 7.2 7.3 7.4 7.5
FREQUENCY – MHz
TPC 11. Dual Tone Spectral Plot @ fDATA = 32 MSPS,
fOUT = 6.9 MHz and 7.1 MHz, 4؋ LPF
90
85
80
fDATA = 32MSPS
75
70
fDATA = 50MSPS
65
60
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
fOUT – MHz
TPC 9. “In Band” SFDR vs. fOUT @ fDATA = 32 MSPS
and 50 MSPS
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
6.5 6.6 6.7 6.8 6.9 7.0 7.1 7.2 7.3 7.4 7.5
FREQUENCY – MHz
TPC 12. Dual Tone Spectral Plot @ fDATA = 50 MSPS,
fOUT = 6.9 MHz and 7.1 MHz, 2؋ LPF
REV. 0
–9–