MAX5188/MAX5191
Dual, 8-Bit, 40MHz, Current/Voltage,
Alternate-Phase Output DACs
6
_______________________________________________________________________________________
40
70
60
50
80
90
100
10
30
25
15 20
35 40 45 50 55 60
MAX5188/91-19
CLOCK FREQUENCY (MHz)
SFDR
(dBc)
SPURIOUS-FREE DYNAMIC RANGE
vs. CLOCK FREQUENCY
DAC2
DAC1
500
1100 1300
700 900
1500 1700 1900 2100 2300
MAX5188/91-20
OUTPUT FREQUENCY (kHz)
SFDR
(dBc)
SPURIOUS-FREE DYNAMIC RANGE vs. OUTPUT
FREQUENCY AND CLOCK FREQUENCY, DAC1
66
70
68
74
72
76
78
fCLK = 30MHz
fCLK = 60MHz
fCLK = 10MHz
fCLK = 40MHz
fCLK = 50MHz
fCLK = 20MHz
66
72
70
68
74
76
78
500
1100 1300
700 900
1500 1700 1900 2100 2300
MAX5188/91-21
OUTPUT FREQUENCY (kHz)
SFDR
(dBc)
SPURIOUS-FREE DYNAMIC RANGE vs. OUTPUT
FREQUENCY AND CLOCK FREQUENCY, DAC2
fCLK = 30MHz
fCLK = 60MHz
fCLK = 10MHz
fCLK = 50MHz
fCLK = 40MHz
fCLK = 20MHz
62.5
62.0
61.0
60.5
61.5
60.0
0
1500
500
1000
2000
2500
SIGNAL-TO-NOISE PLUS DISTORTION
vs. OUTPUT FREQUENCY
MAX5188/91-23
OUPUT FREQUENCY (kHz)
SINAD
(dB)
DAC2
DAC1
-120
-50
-40
-60
-80
-70
-30
-20
-10
0
08
6
2
4
10 12 14 16 18 20
MAX5188/91-24
OUTPUT FREQUENCY (MHz)
SFDR
(dBc)
MULTITONE SPURIOUS-FREE DYNAMIC
RANGE vs. OUTPUT FREQUENCY
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
MAX5188/91-26
FULL-SCALE OUTPUT CURRENT (mA)
SFDR
(dBc)
Typical Operating Characteristics (continued)
(AVDD = DVDD = +3V, AGND = DGND = 0, 400
differential output, IFS = 1mA, CL = 5pF, TA = +25°C, unless otherwise noted.)
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相关代理商/技术参数
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