THS5661A_15 Datasheet, PDF (7/34 Pages) Texas Instruments – DIGITAL-TO-ANALOG CONVERTER

THS5661A
12ĆBIT, 125 MSPS, CommsDAC
DIGITALĆTOĆANALOG CONVERTER
SLAS247B − NOVEMBER 1999 REVISED SEPTEMBER 2002
TYPICAL CHARACTERISTICS^†
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 0 dBFS
90
84
fCLK = 5 MSPS
DVDD = 5 V
fCLK = 25 MSPS
78
72
fCLK = 50 MSPS
fCLK = 70 MSPS
66
fCLK = 100 MSPS
60
54
fCLK = 125 MSPS
48
0
10
20
30
40
50
Fout − Output Frequency − MHz
Figure 1
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 25 MSPS
90
DVDD = 5 V
84
0 dBFS
78
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 5 MSPS
90
DVDD = 5 V
84
0 dBFS
− 6 dBFS
78
72
− 12 dBFS
66
60
0.0
0.5
1.0
1.5
2.0
2.5
Fout − Output Frequency − MHz
Figure 2
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 50 MSPS
78
− 6 dBFS
DVDD = 5 V
72
66
− 12 dBFS
72
− 12 dBFS
− 6 dBFS
60
0 dBFS
66
54
60
0
2
4
6
8
10
12
Fout − Output Frequency − MHz
Figure 3
48
0
5
10
15
20
25
Fout − Output Frequency − MHz
Figure 4
† 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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