Rainbow Electronics MAX5190 - Manual (Page 6)

MAX5187/MAX5190
8-Bit, 40MHz, Current/Voltage-Output DACs
6 _______________________________________________________________________________________
66
68
72
70
76
74
78
500 1100 1300 700 900 1500 1700 1900 2100 2300
MAX5187/90-19
OUTPUT FREQUENCY (kHz)
SFDR (dBc)
SPURIOUS-FREE DYNAMIC RANGE vs. OUTPUT
FREQUENCY AND CLOCK FREQUENCY
f OUT = 30MHz
f OUT = 60MHz
f OUT = 10MHz
f OUT = 50MHz f OUT = 40MHz f OUT = 20MHz
62.4
62.0
62.2
61.4
61.6
61.2
61.0
61.8
60.8
0 1500 500 1000 2000 2500
SIGNAL-TO-NOISE PLUS DISTORTION
vs. OUTPUT FREQUENCY
MAX5187/90-20
OUPUT FREQUENCY (kHz)
SINAD (dB)
Typical Operating Characteristics (continued)
(AV DD = DV DD = +3V, AGND = DGND = 0, 400 Ω differential output, I
FS = 1mA, C L = 5pF, T A = +25°C, unless otherwise noted.)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0 2.5 5 7.5 10 12.5 15 20 17.5
MULTITONE SPURIOUS-FREE DYNAMIC
RANGE vs. OUTPUT FREQUENCY
MAX5187/90-21
OUTPUT FREQUENCY (MHz)
SFDR (dBc)
60
62
64
66
68
70
72
74
0.50 0.75 1.00 1.25 1.50
SPURIOUS-FREE DYNAMIC RANGE
vs. FULL-SCALE OUTPUT CURRENT
MAX5187/90-22
FULL-SCALE OUTPUT CURRENT (mA)
SFDR (dBc)
100
90
70
60
50
80
40
0 20 25 30 35 40 45 50 55 60 15
SPURIOUS-FREE DYNAMIC RANGE
vs. CLOCK FREQUENCY
MAX5187/90-18
CLOCK FREQUENCY (MHz)
SFDR (dBc)