Datasheet
MAX5895
16-Bit, 500Msps Interpolating and Modulating
Dual DAC with CMOS Inputs
8 _______________________________________________________________________________________
TWO-TONE IMD vs. OUTPUT FREQUENCY
f
DATA
= 125MWps, NO INTERPOLATION
MAX5895 toc09
CENTER FREQUENCY (MHz)
TWO-TONE IMD (-dBc)
40302010
20
40
60
80
100
120
0
050
1MHz CARRIER SPACING
-12dBFS
-6dBFS
-9dBFS
TWO-TONE IMD vs. OUTPUT FREQUENCY
f
DATA
= 125MWps, 4x INTERPOLATION
MAX5895 toc11
CENTER FREQUENCY (MHz)
TWO-TONE IMD (-dBc)
150120906030
30
60
90
120
0
0
1MHz CARRIER SPACING
COMPLEX MODULATION FOR
OUTPUT FREQUENCIES
GREATER THAN 50MHz
-12dBFS
-6dBFS
-9dBFS
GAIN MISMATCH vs. TEMPERATURE
f
DATA
= 125MWps, 2x INTERPOLATION
MAX5895 toc12
TEMPERATURE (°C)
GAIN MISMATCH (dB)
603510-15
0.025
0.050
0.075
0.100
0
-40 85
f
OUT
= 22.7MHz
A
OUT
= -6dBFS
MULTITONE POWER RATIO PLOT
f
DATA
= 125MWps, 2x INTERPOLATION
MAX5895 toc13
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
-110
OUTPUT POWER (dBm)
f
CENTER
= 35.7MHz, 1MHz TONE SPACING
A
OUT1
THROUGH A
OUT8
= -18dBFS,
SPAN = 25MHz
DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5895 toc14
DIGITAL INPUT CODE
DNL (LSB)
57344
49152
40960
32768
24586
16384
8192
0
1
2
3
4
5
-1
0 65536
INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5895 toc15
INL (LSB)
57344
49152
32768
40960
16384
245768192
-4
-3
-2
-1
0
1
2
3
4
5
-5
0
65536
DIGITAL INPUT CODE
SUPPLY CURRENTS vs. DAC UPDATE RATE
2x INTERPOLATION, f
OUT
= 5MHz
MAX5895 toc16
f
DAC
(MHz)
SUPPLY CURRENT (mA)
250200150
50
100
150
200
250
300
350
400
450
500
0
100 300
1.8V TOTAL
3.3V TOTAL
SUPPLY CURRENTS vs. DAC UPDATE RATE
4x INTERPOLATION, f
OUT
= 5MHz
MAX5895 toc17
f
DAC
(MHz)
SUPPLY CURRENT (mA)
400300200
50
100
150
200
250
300
350
400
450
500
0
100 500
1.8V TOTAL
3.3V TOTAL
SUPPLY CURRENTS vs. DAC UPDATE RATE
8x INTERPOLATION, f
OUT
= 5MHz
MAX5895 toc18
f
DAC
(MHz)
SUPPLY CURRENT (mA)
400300200
50
100
150
200
250
300
350
400
450
500
0
100 500
1.8V TOTAL
3.3V TOTAL
Typical Operating Characteristics (continued)
(DV
DD1.8
= AV
DD1.8
= 1.8V, AV
CLK
= AV
DD3.3
= DV
DD3.3
= 3.3V, modulator off, 2x interpolation, output is transformer-coupled to
50Ω load, T
A
= +25°C, unless otherwise noted.)