Datasheet

MAX5851
Dual, 8-Bit, 80Msps, Current-Output DAC
_______________________________________________________________________________________ 7
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY (f
CLK
= 80MHz)
MAX5851 toc01
f
OUT
(MHz)
SFDR (dBc)
353020 2510 155
35
40
45
50
55
60
65
70
75
80
30
040
0dBFS
-6dBFS
-12dBFS
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY (f
CLK
= 65MHz)
MAX5851 toc02
f
OUT
(MHz)
SFDR (dBc)
302515 20105
35
40
45
50
55
60
65
70
75
80
30
035
0dBFS
-6dBFS
-12dBFS
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY (f
CLK
= 44MHz)
MAX5851 toc03
f
OUT
(MHz)
SFDR (dBc)
201814 164 6 8 10 122
35
40
45
50
55
60
65
70
75
80
30
022
0dBFS
-6dBFS
-12dBFS
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY (f
CLK
= 25MHz)
MAX5851 toc04
f
OUT
(MHz)
SFDR (dBc)
12106 842
35
40
45
50
55
60
65
70
75
80
30
014
0dBFS
-6dBFS
-12dBFS
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY (f
CLK
= 80MHz)
MAX5851 toc05
f
OUT
(MHz)
SFDR (dBc)
353020 2510 155
35
40
45
50
55
60
65
70
75
80
30
040
I
FS
= 20mA
I
FS
= 5mA
I
FS
= 10mA
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY (f
CLK
= 80MHz)
MAX5851 toc06
f
OUT
(MHz)
SFDR (dBc)
363224 288 12 16 204
35
40
45
50
55
60
65
70
75
80
30
040
AV
DD
= DV
DD
= CV
DD
= 2.7V
AV
DD
= DV
DD
= CV
DD
= 3.6V
AV
DD
= DV
DD
= CV
DD
= 3.3V
AV
DD
= DV
DD
= CV
DD
= 3V
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE (f
CLK
= 80MHz)
MAX5851 toc07
TEMPERATURE (°C)
SFDR (dBc)
603510-15
35
40
45
50
55
60
65
70
75
80
30
-40 85
Typical Operating Characteristics
(AV
DD
= DV
DD
= CV
DD
= 3V, AGND = DGND = CGND = 0, external reference, I
FS
= 20mA, differential output, differential clock,
T
A
= +25°C, unless otherwise noted.)
TWO-TONE INTERMODULATION DISTORTION
(f
CLK
= 80MHz, 2.5MHz WINDOW)
MAX5851 toc08
f
OUT
(MHz)
AMPLITUDE (dBm)
5.85.34.84.3
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
3.8 6.3
f
OUT1
= 4.904MHz
f
OUT2
= 5.021MHz
f
OUT2
f
OUT1
2f
OUT1
- f
OUT2
2f
OUT2
- f
OUT1