MAX5856A
Dual 8-Bit, 300Msps DAC with 4x/2x/1x
Interpolation Filters and PLL
_______________________________________________________________________________________
7
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(NO INTERPOLATION, fDAC = 165MHz)
MAX5856A
toc01
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
80
70
50
60
20
30
40
10
20
30
40
50
60
70
80
90
100
0
090
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL DISABLED
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(NO INTERPOLATION, fDAC = 65MHz)
MAX5856A
toc02
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
30
20
25
5
10
15
10
20
30
40
50
60
70
80
90
100
0
035
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL DISABLED
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(2x INTERPOLATION, fDAC = 300MHz)
MAX5856A
toc04
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
70
60
40
50
10
20
30
10
20
30
40
50
60
70
80
90
100
0
080
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL ENABLED
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(2x INTERPOLATION, fDAC = 300MHz)
MAX5856A
toc03
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
70
60
40
50
10
20
30
10
20
30
40
50
60
70
80
90
100
0
080
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL DISABLED
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(2x INTERPOLATION, fDAC = 165MHz)
MAX5856A
toc05
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
40
35
25
30
10
15
20
5
10
20
30
40
50
60
70
80
90
100
0
045
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL DISABLED
Typical Operating Characteristics
(AVDD = DVDD = PVDD = 3V, AGND = DGND = PGND = 0, external reference = 1.2V, no interpolation, PLL disabled, IFS = 20mA,
differential output, TA = +25°C, unless otherwise noted.)
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(4x INTERPOLATION, fDAC = 300MHz)
MAX5856A
toc06
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
35
30
20
25
5
10
15
10
20
30
40
50
60
70
80
90
100
0
040
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL DISABLED
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(4x INTERPOLATION, fDAC = 300MHz)
MAX5856A
toc07
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
35
30
20
25
5
10
15
10
20
30
40
50
60
70
80
90
100
0
040
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL ENABLED
SPURIOUS-FREE DYNAMIC RANGE
vs. OUTPUT FREQUENCY
(4x INTERPOLATION, fDAC = 165MHz)
MAX5856A
toc08
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
18
12
15
3
6
9
10
20
30
40
50
60
70
80
90
100
0
021
AOUT = -6dBFS
AOUT = 0dBFS
AOUT = -12dBFS
PLL DISABLED
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