Datasheet

2010 30 40 50 600
-6dBFS
-12dBFS
0dBFS
SFDR(dBc)
85
80
75
70
65
60
55
50
f (MHz)
OUT
0 5 10 15 20 25
20mA
5mA
10mA
82
80
78
76
74
72
70
68
66
64
62
SFDR(dBc)
f (MHz)
OUT
0dBFs
Temperature( C)°
GainError(%FS)
OffsetError(%FS)
0-20 20 40 60 80 85-40
OffsetError
GainError
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
-
-
-
-
0.004
0.003
0.002
0.001
0
0.001
0.002
0.003
0.004
-
-
-
-
Temperature( C)°
SFDR(dBc)
0-20 20 40 60 80 100-40
2MHz
40MHz
10MHz
20MHz
90
85
80
75
70
65
60
55
50
0.100.05 0.15 0.20 0.25 0.30 0.35 0.40 0.450.00
125MSPS
100MSPS
78MSPS
52MSPS
26MSPS
25
20
15
10
5
0
I (mA)
VD
Ratio(f /f
OUT CLK
)
10
5
15 20 250
60
55
50
45
40
35
30
25
20
15
10
I (mA)
VA
I (mA)
OUTFS
DAC2904
www.ti.com .............................................................................................................................................. SBAS198C –AUGUST 2001–REVISED OCTOBER 2009
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, +V
D
= +3.3V, +V
A
= +5V, differential transformer coupled, I
OUT
= 20mA, 50Ω double terminated load, and
SFDR up to Nyquist, unless otherwise noted.
SFDR vs f
OUT
AT 125MHz SFDR vs I
OUTFS
AND f
OUT
AT 78MSPS
Figure 7. Figure 8.
SFDR AT 125MSPS vs TEMPERATURE GAIN AND OFFSET DRIFT
Figure 9. Figure 10.
I
VD
vs RATIO AT +V
D
= +3.3V I
VA
vs I
OUTFS
Figure 11. Figure 12.
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