Rainbow-electronics MAX1209 Instrukcja Użytkownika Pobierz pdf (Strona 8)

MAX1209

12-Bit, 80Msps, 3.3V IF-Sampling ADC

8 _______________________________________________________________________________________

SNR, SINAD

vs. SAMPLING RATE

MAX1209 toc07

CLK

(MHz)

SNR, SINAD (dB)

806020 40

0 100

≈ 70MHz

SNR

SINAD

SFDR, -THD

vs. SAMPLING RATE

MAX1209 toc08

CLK

(MHz)

SFDR, -THD (dBc)

806020 40

100

0 100

≈ 70MHz

SFDR

-THD

POWER DISSIPATION

vs. SAMPLING RATE

MAX1209 toc09

CLK

(MHz)

POWEER DISSIPATION (mW)

806020 40

250

300

350

400

450

200

0 120100

DIFFERENTIAL CLOCK

≈ 70MHz

≈ 5pF

ANALOG + DIGITAL POWER

ANALOG POWER

04020 60 80 100

SNR, SINAD vs. SAMPLING RATE

MAX1209 toc10

CLK

(MHz)

SNR, SINAD (dB)

SNR

SINAD

≈ 175MHz

100

04020 60 80 100

SFDR, -THD vs. SAMPLING RATE

MAX1209 toc11

CLK

(MHz)

SFDR, -THD (dBc)

SFDR

-THD

≈ 175MHz

250

300

350

400

450

500

04020 60 80 100

POWER DISSIPATION

vs. SAMPLING RATE

MAX1209 toc12

CLK

(MHz)

POWER DISSIPATION (mW)

ANALOG + DIGITAL POWER

ANALOG POWER

DIFFERENTIAL CLOCK

≈ 175MHz

≈ 5pF

0 50 100 150 200

SNR, SINAD

vs. ANALOG INPUT FREQUENCY

MAX1209 toc13

ANALOG INPUT FREQUENCY (MHz)

SNR, SINAD (dB)

SNR

SINAD

CLK

≈ 80MHz

0 50 100 150 200

SFDR, -THD

vs. ANALOG INPUT FREQUENCY

MAX1209 toc14

ANALOG INPUT FREQUENCY (MHz)

SFDR, -THD (dBc)

CLK

≈ 80MHz

SFDR

-THD

300

350

400

450

500

0 50 100 150 200

POWER DISSIPATION

vs. ANALOG INPUT FREQUENCY

MAX1209 toc15

ANALOG INPUT FREQUENCY (MHz)

POWER DISSIPATION (mW)

ANALOG + DIGITAL POWER

ANALOG POWER

DIFFERENTIAL CLOCK

CLK

≈ 80MHz

≈ 5pF

Typical Operating Characteristics (continued)

= 3.3V, OV

= 2.0V, GND = 0, REFIN = REFOUT (internal reference), V

= -0.5dBFS, CLKTYP = high, DCE = high, PD = low,

G/T = low, f

CLK

= 80MHz (50% duty cycle), T

= +25°C, unless otherwise noted.)

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