TYPICAL CHARACTERISTICS (Cont.)
TA = 25°C, +VD = +3.3V, +VA = +5V, differential transformer coupled, IOUT = 20mA, 50ý double terminated load, SFDR up to Nyquist, unless otherwise noted.
SFDR vs fOUT AT 125MHz
SFDR vs IOUTFS AND fOUT AT 78MSPS, 0dBFS
IOUTFS = 20mA
85
80
75
70
65
60
55
50
80
78
76
74
72
70
68
66
64
62
60
–6dBFS
IOUTFS = 5mA
IOUTFS = 10mA
0dBFS
IOUTFS = 2mA
0
10
20
30
40
50
60
0
5
10
15
OUT (MHz)
20
25
f
OUT (MHz)
f
SFDR AT 125MSPS vs TEMPERATURE
SINAD vs fCLK AND IOUT AT 5MHz
70
67.5
65
90
85
80
75
70
65
60
55
50
2MHz
20mA
10MHz
10mA
20MHz
5mA
40MHz
50
62.5
60
–40
–20
0
25
70
85
20
40
60
80
100
120
140
Temperature (°C)
f
CLK (MSPS)
GAIN AND OFFSET DRIFT
Offset Error
IVD vs RATIO AT +VD = +3.3V
125MSPS
0.8
0.004
0.003
0.002
0.001
0
25
20
15
10
5
0.6
0.4
100MSPS
78MSPS
52MSPS
0.2
0
–0.2
–0.4
–0.6
–0.8
–0.001
–0.002
–0.003
–0.004
Gain Error
26MSPS
0
–40
–20
0
20
40
60
80 85
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45
Temperature (°C)
Ratio (FOUT/FCLK
)
DAC2902
SBAS167A
7
BB [ BURR-BROWN CORPORATION ]
