Rainbow-electronics MAX5890 Instrukcja Użytkownika Pobierz pdf (Strona 6)

MAX5890

14-Bit, 600Msps, High-Dynamic-Performance

DAC with LVDS Inputs

6 _______________________________________________________________________________________

Typical Operating Characteristics

(AV

DD3.3

= DV

DD3.3

= AV

CLK

= +3.3V, AV

DD1.8

= DV

DD1.8

= +1.8V, external reference V

REFIO

= +1.2V, output load 50Ω double-ter-

minated, transformer-coupled output, I

OUT

= 20mA, T

= +25°C, unless otherwise noted.)

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY (f

CLK

= 100MHz)

MAX5890 toc01

OUTPUT FREQUENCY (MHz)

SFDR (dBc)

403020

100

10 50

0dBFS

-6dBFS

-12dBFS

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY (f

CLK

= 200MHz)

MAX5890 toc02

OUTPUT FREQUENCY (MHz)

SFDR (dBc)

706040 5020 3010

100

0dBFS

-6dBFS

-12dBFS

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY (f

CLK

= 500MHz)

MAX5890 toc03

OUTPUT FREQUENCY (MHz)

SFDR (dBc)

1601208040

100

0200

0dBFS

-6dBFS

-12dBFS

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY (f

CLK

= 600MHz)

MAX5890 toc04

OUTPUT FREQUENCY (MHz)

SFDR (dBc)

1601208040

100

0 200

0dBFS

-6dBFS

-12dBFS

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY

CLK

= 500MHz, I

OUT

= 20mA, 10mA, 5mA)

MAX5890 toc05

OUTPUT FREQUENCY (MHz)

SFDR (dBc)

1601208040

100

0200

20mA 0dBFS

10mA

5mA

DAC OUTPUT SPECTRAL PLOT

CLK

= 200MHz)

MAX5890 toc06

OUTPUT FREQUENCY (MHz)

OUTPUT POWER (dBm)

80604020

-90

-80

-70

-60

-50

-40

-30

-20

-10

-100

0100

70503010 90

DAC OUTPUT SPECTRAL PLOT

CLK

= 500MHz)

MAX5890 toc07

OUTPUT FREQUENCY (MHz)

200

15010050

-80

-70

-60

-50

-40

-30

-20

-10

-90

0 250

OUTPUT POWER (dBm)

TWO-TONE SPECTRAL PLOT

CLK

= 500MHz, -6.5dBFS PER TONE)

MAX5890 toc08

OUTPUT FREQUENCY (MHz)

131

130129128

-90

-80

-70

-60

-50

-40

-30

-20

-10

-100

126 127 132

OUTPUT POWER (dBm)

TWO-TONE SPECTRAL PLOT

CLK

= 500MHz, -6.5dBFS PER TONE)

MAX5890 toc09

OUTPUT FREQUENCY (MHz)

302928 302928

-90

-80

-70

-60

-50

-40

-30

-20

-10

-100

27 31

OUTPUT POWER (dBm)

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

DAC with LVDS Inputs 1

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