DAC5682Z Datasheet, PDF (13/56 Pages) Texas Instruments – 16-BIT, 1.0 GSPS 2x-4x INTERPOLATING DUAL-CHANNEL DIGITAL-TO-ANALOG CONVERTER (DAC)

DAC5682Z
www.ti.com
10
0
-10
-20
-30
SLLS853A – AUGUST 2007 – REVISED NOVEMBER 2007
TYPICAL CHARACTERISTICS (continued)
F_data = 250 MSPS,
F_IN = -80 MHz Complex,
(-80+250=170)
I_F = 170 MHz, CMIX, F_S/4
x4 Interpolation
PLL Off
95
90
85
-12 dBFS
80
F_data = 250 MSPS,
x4 Interpolation,
PLL Off
-6 dBFS
-40
-50
-60
-70
-80
0
50 100 150 200 250 300 350 400 450 500
f - Frequency - MHz
Figure 5. Single-Tone Spectral Plot
90
85
F_data = 250 MSPS,
x4 Interpolation,
80
PLL Off
75
70
65
60
55
50
45
40
0 50 100 150 200 250 300 350 400 450 500
IF - Intermediate Frequency - MHz
Figure 7. Out-Of-Band SFDR vs IF
75
70
0 dBFS
65
60
0
10
20
30
40
50
IF - Intermediate Frequency - MHz
Figure 6. In-Band SFDR vs IF
90
F_data = 250 MSPS,
85
x4 Interpolation,
PLL Off
80
75
70
65
60
55
50
0 40 80 120 160 200 240 280 320
IF - Intermediate Frequency - MHz
Figure 8. Two Tone IMD vs Output Frequency
Copyright © 2007, Texas Instruments Incorporated
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