Datasheet

f – Frequency – MHz
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
60 65 70 75 80
f
DATA
= 80 MSPS
f
IN
1 = –0.5 MHz
f
IN
2 = 0.5 MHz
NCO = 70 MHz
Quad Mode
4y Interpolation
PLLVDD = 0 V
Power – dBm
G010
f
O
– Output Frequency – MHz
55
60
65
70
75
80
85
90
10 30 50 70 90 110 130 150
f
DATA
= 80 MSPS
NCO On
Quad Mode
4y Interpolation
PLLVDD = 0 V
Two-Tone IMD3 – dBc
± 0.5 MHz
± 2 MHz
G009
f – Frequency – MHz
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
140 145 150 155 160
f
DATA
= 80 MSPS
f
IN
1 = –0.5 MHz
f
IN
2 = 0.5 MHz
NCO = 150 MHz
Quad Mode
4y Interpolation
PLLVDD = 0 V
Power – dBm
G011
f – Frequency – MHz
−130
−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
18 22 26 30 34 38 42
Power – dBm
G012
f
DATA
= 122.88 MSPS
f
IN
= 30.72 MHz
ACLR = 78.6 dB
4y Interpolation
Dual DAC Mode
PLLVDD = 0 V
DAC5686
SLWS147F – APRIL 2003 – REVISED JUNE 2009 ............................................................................................................................................................ www.ti.com
TYPICAL CHARACTERISTICS (continued)
TWO-TONE IMD3
vs
OUTPUT FREQUENCY TWO-TONE IMD PERFORMANCE
Figure 9. Figure 10.
TWO-TONE IMD PERFORMANCE WCDMA TEST MODEL 1: SINGLE CARRIER
Figure 11. Figure 12.
14 Submit Documentation Feedback Copyright © 2003 – 2009, Texas Instruments Incorporated
Product Folder Link(s): DAC5686