TWO-TONE INTERMODULATION
DISTORTION (fDAC = 100Msps)
MAX5878
toc07
fOUT (MHz)
OUTPUT
POWER
(dBFS)
34
32
30
28
26
-80
-60
-40
-20
0
-100
24
36
BW = 12MHz
2 x fT1 - fT2
2 x fT2 - fT1
fT1
fT2
fT1 = 28.9795MHz
fT2 = 30.0049MHz
TWO-TONE IMD vs. OUTPUT FREQUENCY
(1MHz CARRIER SPACING, fDAC = 200Msps)
MAX5878
toc08
fOUT (MHz)
TWO-TONE
IMD
(dBc)
70
60
50
40
30
20
10
-90
-80
-70
-60
-50
-40
-100
080
-12dBFS
-6dBFS
SFDR vs. FULL-SCALE OUTPUT CURRENT
(fDAC = 200MHz)
MAX5878
toc09
fOUT (MHz)
SFDR
(dBc)
80
60
40
20
40
60
80
100
0
0100
AOUT = -6dBFS
10mA
5mA
20mA
SFDR vs. TEMPERATURE
(fDAC = 250Msps)
MAX5878
toc10
fOUT (MHz)
SFDR
(dBc)
100
75
50
25
70
75
80
85
65
0125
AOUT = -6dBFS
TA = +85
°C
TA = +25
°C
TA = -40
°C
INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5878
toc11
DIGITAL INPUT CODE
INL
(LSB)
49,152
32,768
16,384
-2
-1
0
1
2
3
-3
0
65,536
DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5878
toc12
DIGITAL INPUT CODE
DNL
(LSB)
49,152
32,768
16,384
-3
-2
-1
0
1
2
3
4
-4
065,536
MAX5878
16-Bit, 250Msps, High-Dynamic-Performance,
Dual DAC with LVDS Inputs
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(AVDD3.3 = DVDD3.3 = AVCLK = +3.3V, AVDD1.8 = DVDD1.8 = +1.8V, external reference, VREFIO = +1.25V, RL = 50
double-terminated,
IOUTFS = 20mA, TA = +25°C, unless otherwise noted.)
相关PDF资料
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