Datasheet

MAX5894
14-Bit, 500Msps, Interpolating and Modulating
Dual DAC with CMOS Inputs
8 _______________________________________________________________________________________
GAIN MISMATCH vs. TEMPERATURE
f
DATA
= 125Mwps, 2x INTERPOLATION
MAX5894 toc10
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
DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5894 toc11
DIGITAL INPUT CODE
DNL (LSB)
12,28881924096
-0.50
-0.25
-0.75
0.25
0.50
0
0.75
1.00
-1.00
0 16,38
4
INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX5894 toc12
DIGITAL INPUT CODE
INL (LSB)
12,28881924096
-0.5
1.0
-1.5
0
1.5
-1.0
0.5
2.0
-2.0
0 16,384
SUPPLY CURRENT vs. DAC UPDATE RATE
2x INTERPOLATION, f
OUT
= 5MHz
MAX5894 toc13
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 CURRENT vs. DAC UPDATE RATE
4x INTERPOLATION, f
OUT
= 5MHz
MAX5894 toc14
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 CURRENT vs. DAC UPDATE RATE
8x INTERPOLATION, f
OUT
= 5MHz
MAX5894 toc15
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.)