THS5661_05 Datasheet, PDF (8/30 Pages) Texas Instruments – 12-BIT, 100 MSPS, CommsDAC DIGITAL-TO-ANALOG CONVERTER

THS5661
12-BIT, 100 MSPS, CommsDAC™
DIGITAL-TO-ANALOG CONVERTER
SLAS200A – MAY 1999 – REVISED JULY 1999
TYPICAL CHARACTERISTICS^†
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 70 MSPS
78
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 100 MSPS
78
72
0 dBFS
66
–6 dBFS
60
–12 dBFS
54
48
0
10
20
30
40
Fout – MHz
Figure 5
SPURIOUS FREE DYNAMIC RANGE
vs
AOUT AT FOUT = FCLOCK/11
78
2.27 MHz @ 25 MSPS
72
4.55 MHz @ 50 MSPS
6.36 MHz @ 70 MSPS
66
60
9.1 MHz @ 100 MSPS
54
48
42
–27 –24 –21 –18 –15 –12 –9 –6 –3 0
Aout – dBFS
Figure 7
72
66
–6 dBFS
–12 dBFS
60
54
0 dBFS
48
0
10
20
30
40
50
Fout – MHz
Figure 6
SPURIOUS FREE DYNAMIC RANGE
vs
AOUT AT FOUT = FCLOCK/5
78
72
5 MHz @ 25 MSPS
66
10 MHz @ 50 MSPS
14 MHz @ 70 MSPS
60
54
48
20 MHz @ 100 MSPS
42
–27 –24 –21 –18 –15 –12 –9 –6 –3 0
Aout – dBFS
Figure 8
† AVDD _{= DVDD = 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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