THS5661A_15 Datasheet, PDF (15/34 Pages) Texas Instruments – DIGITAL-TO-ANALOG CONVERTER

THS5661A
12ĆBIT, 125 MSPS, CommsDAC
DIGITALĆTOĆANALOG CONVERTER
SLAS247B − NOVEMBER 1999 REVISED SEPTEMBER 2002
TYPICAL CHARACTERISTICS^†
ANALOG SUPPLY CURRENT
vs
FULL-SCALE OUTPUT CURRENT
30
25
20
15
10
5
DIGITAL SUPPLY CURRENT
vs
RATIO (Fclock/Fout) AT DV_DD = 5 V
25
100 MSPS
20
70 MSPS
15
50 MSPS
10
25 MSPS
5
5 MSPS
0
2 4 6 8 10 12 14 16 18 20
IOUTFS − Full-Scale Output Current − mA
Figure 26
0
0.0
0.1
0.2
0.3
0.4
0.5
Ratio − (Fclock/Fout)
Figure 27
DIGITAL SUPPLY CURRENT
vs
RATIO (Fclock/Fout) AT DV_DD = 3.3 V
10
8
70 MSPS
6
50 MSPS
4
25 MSPS
2
5 MSPS
0
0.0
0.1
0.2
0.3
0.4
0.5
Ratio − (Fclock/Fout)
Figure 28
† AVDD _{= 5 V, IOUTFS = 20 mA, differential transformer coupled output, 50 Ω doubly terminated load, TA = 25°C (unless otherwise}
noted.)
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