THS5661A_15 Datasheet, PDF (11/34 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
FULL-SCALE OUTPUT CURRENT AT 100 MSPS
78
DVDD = 5 V
72
Fout = 2.5 MHz
66
Fout = 10 MHz
60
54
Fout = 28.6 MHz
Fout = 40 MHz
48
2 4 6 8 10 12 14 16 18 20
IOUTFS −Full Scale Output Current − mA
Figure 17
SPURIOUS FREE DYNAMIC RANGE
vs
OUTPUT FREQUENCY AT 100 MSPS
84
DVDD = 5 V
78
Differential @ −6 dBFS
72
Differential @ 0 dBFS
66
60
Single-ended @ 0 dBFS
54
48
Single-ended
42
@ −6 dBFS
36
0 5 10 15 20 25 30 35 40 45 50
Fout Output Frequency− MHz
Figure 18
SPURIOUS FREE DYNAMIC RANGE
vs
TEMPERATURE AT 70 MSPS
78
DVDD = 5 V
Fout = 2 MHz
72
66
Fout = 10 MHz
60
Fout = 25 MHz
54
48
−40 −20
0
20
40
60
80
TA Temperature− °C
Figure 19
† 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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