THS5661A_15 Datasheet, PDF (8/34 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 70 MSPS
78
DVDD = 5 V
− 6 dBFS
72
66
− 12 dBFS
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 100 MSPS
78
DVDD = 5 V
72
− 6 dBFS
66
− 12 dBFS
60
0 dBFS
54
60
0 dBFS
54
48
0
10
20
30
40
Fout − Output Frequency − MHz
Figure 5
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 125 MSPS
78
DVDD = 5 V
72
− 6 dBFS
− 12 dBFS
66
0 dBFS
60
54
48
0
10
20
30
40
50
Fout − Output Frequency − MHz
Figure 7
48
0
10
20
30
40
50
Fout − Output Frequency − MHz
Figure 6
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 0 dBFS
90
DVDD = 3.3 V
84
fCLK = 5 MSPS
78
72
fCLK = 25 MSPS
fCLK = 50 MSPS
66
fCLK = 70 MSPS
60
54
48
fCLK = 100 MSPS
42
0
10
20
30
40
Fout − Output Frequency − MHz
Figure 8
† AVDD _{= 5 V, IOUTFS = 20 mA, differential transformer coupled output, 50 Ω doubly terminated load, TA = 25°C (unless otherwise}
noted.)
8
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