Rainbow-electronics MAX5190 Manual do Utilizador descarregar pdf (Página 6)

MAX5187/MAX5190

8-Bit, 40MHz, Current/Voltage-Output DACs

6 _______________________________________________________________________________________

500 1100 1300700 900 1500 1700 1900 2100 2300

MAX5187/90-19

OUTPUT FREQUENCY (kHz)

SFDR (dBc)

SPURIOUS-FREE DYNAMIC RANGE vs. OUTPUT

FREQUENCY AND CLOCK FREQUENCY

OUT

= 30MHz

OUT

= 60MHz

OUT

= 10MHz

OUT

= 50MHz f

OUT

= 40MHzf

OUT

= 20MHz

62.4

62.0

62.2

61.4

61.6

61.2

61.0

61.8

60.8

0 1500500 1000 2000 2500

SIGNAL-TO-NOISE PLUS DISTORTION

vs. OUTPUT FREQUENCY

MAX5187/90-20

OUPUT FREQUENCY (kHz)

SINAD (dB)

Typical Operating Characteristics (continued)

(AV

= DV

= +3V, AGND = DGND = 0, 400Ω differential output, I

= 1mA, C

= 5pF, T

= +25°C, unless otherwise noted.)

-10

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

0 2.5 5 7.5

10 12.5 15 2017.5

MULTITONE SPURIOUS-FREE DYNAMIC

RANGE vs. OUTPUT FREQUENCY

MAX5187/90-21

OUTPUT FREQUENCY (MHz)

SFDR (dBc)

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

0 20253035404550556015

SPURIOUS-FREE DYNAMIC RANGE

vs. CLOCK FREQUENCY

MAX5187/90-18

CLOCK FREQUENCY (MHz)

SFDR (dBc)

1 2 3 4 5 6 7 8 9 10 11 ... 14 15

MAX5187/MAX5190 1

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