Datasheet

DAC902
10
SBAS094B
TYPICAL CHARACTERISTICS: V
D
= V
A
= +3V (Cont.)
At T
A
= +25°C, differential transformer coupled output, 50Ω doubly terminated, and SFDR up to Nyquist, unless otherwise noted.
FOUR-TONE OUTPUT SPECTRUM
Frequency (MHz)
Magnitude (dBm)
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
510152025
f
CLOCK
= 50MSPS
f
OUT1
= 6.25MHz
f
OUT2
= 6.75MHz
f
OUT3
= 7.25MHz
f
OUT4
= 7.75MHz
SFDR = 66dBc
Amplitude = 0dBFS
DUAL-TONE OUTPUT SPECTRUM
Frequency (MHz)
Magnitude (dBm)
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
5 101520253035404550
f
CLOCK
= 100MSPS
f
OUT1
= 13.5MHz
f
OUT2
= 14.5MHz
SFDR = 68dBc
Amplitude = 0dBFS
SINGLE-TONE OUTPUT SPECTRUM
Frequency (MHz)
Magnitude (dBm)
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
5 101520253035404550
f
CLOCK
= 100MSPS
f
OUT
= 2.1MHz
SFDR = 76dBc
Amplitude = 0dBFS
SFDR vs TEMPERATURE AT 100MSPS, 0dBFS
Temperature (°C)
SFDR (dBc)
85
80
75
70
65
60
55
50
45
–20 0 25 7050 85–40
2.1MHz
10.1MHz
40.4MHz
X
X
X
X
X
X
X
THD vs f
CLOCK
AT f
OUT
= 2.1MHz
f
CLOCK
(MSPS)
THD (dBc)
–70
–75
–80
–85
–90
–95
–100
25 50 100 125 1500
2HD
4HD
3HD
I
OUTFS
(mA)
SFDR (dBc)
80
75
70
65
60
55
50
45
40
510202
X
X
X
X
SFDR vs I
OUTFS
and f
OUT
AT 100MSPS, 0dBFS
2.1MHz
20.2MHz
10.1MHz
40.4MHz