TYPICAL CHARACTERISTICS
(Cont.)
T
A
= 25°C, +V
D
= +3.3V, +V
A
= +5V, differential transformer coupled, I
OUT
= 20mA, 50�½ double terminated load, SFDR up to Nyquist, unless otherwise noted.
SFDR vs f
OUT
AT 125MHz
85
80
75
–6dBFS
SFDR vs I
OUT
FS and f
OUT
at 78MSPS, 0dBFS
82
80
78
76
SFDR (dBc)
20mA
10mA
SFDR (dBc)
–12dBFS
70
65
0dBFS
60
55
50
0
10
20
30
f
OUT
(MHz)
40
50
60
74
72
70
68
66
64
62
0
5
10
15
20
25
f
OUT
(MHz)
5mA
SFDR AT 125MSPS vs TEMPERATURE
90
85
80
2MHz
10MHz
20MHz
40MHz
0.8
0.6
GAIN AND OFFSET DRIFT
0.004
0.003
Offset Error
75
70
65
60
55
50
–40
0.2
0
–0.2
Gain Error
–0.4
–0.6
–0.8
–40
0.001
0
–0.001
–0.002
–0.003
–0.004
–20
0
20
40
Temperature (°C)
60
80 85
–20
0
20
40
60
80
100
Temperature (°C)
I
VD
vs RATIO AT +V
D
= +3.3V
25
125MSPS
20
78MSPS
100MSPS
60
55
50
45
I
VD
(mA)
I
VA
vs I
OUT
FS
I
VA
(mA)
15
40
35
30
25
20
15
52MSPS
10
26MSPS
5
0
0.00
10
0.05
0.10
0.15 0.20 0.25 0.30 0.35 0.40
Ratio (F
OUT
/F
CLK
)
0.45
0
5
10
15
I
OUT
FS (mA)
20
25
DAC2904
SBAS198B
7
Offset Error (% FS)
Gain Error (% FS)
0.4
0.002
SFDR (dBc)
BURR-BROWN [ BURR-BROWN CORPORATION ]
