THS5661 Datasheet, PDF (9/29 Pages) Texas Instruments – 12-BIT, 100 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER

THS5661
12-BIT, 100 MSPS, CommsDAC™
DIGITAL-TO-ANALOG CONVERTER
SLAS200A – MAY 1999 – REVISED JULY 1999
TYPICAL CHARACTERISTICS^†
DUAL TONE SPURIOUS FREE DYNAMIC RANGE
vs
AOUT AT FOUT = FCLOCK/7
78
0.675/0.725 MHz @ 5 MSPS
3.38/3.63 MHz @ 25 MSPS
72
6.75/7.25 MHz @ 50 MSPS
66
60
13.5/14.5 MHz @ 100 MSPS
54
9.67/10.43 MHz @ 70 MSPS
48
–30 –27 –24 –21 –18 –15 –12 –9 –6 –3 0
Aout – dBFS
Figure 9
TOTAL HARMONIC DISTORTION
vs
CLOCK FREQUENCY AT FOUT = 2 MHZ
–66
–72
2nd Harmonic
–78
–84
–90
0
4th Harmonic
3rd Harmonic
20
40
60
80 100 120
Fclock – MSPS
Figure 10
SPURIOUS FREE DYNAMIC RANGE
vs
FULL-SCALE OUTPUT CURRENT
78
Fout = 2.5 MHz
72
66
Fout = 10 MHz
60
Fout = 40 MHz
54
Fout = 28.6 MHz
48
2 4 6 8 10 12 14 16 18 20
IoutFS – mA
Figure 11
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 100 MSPS
84
78
Differential @ –6 dBFS
72
66
Differential @ 0 dBFS
Single-ended @ 0 dBFS
60
54
48
Single-ended @ –6 dBFS
42
0 5 10 15 20 25 30 35 40 45 50
Fout – MHz
Figure 12
† AVDD _{= DVDD = 5 V, IOUTFS = 20 mA, differential transformer coupled output, 50 Ω doubly terminated load, TA = 25°C (unless otherwise}
noted.)
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