Rainbow-electronics MAX1425 Manual do Utilizador descarregar pdf (Página 8)

MAX1425

10-Bit, 20Msps ADC

8 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

= V

CMLP

= +5V, V

= +3.3V, V

CMLN

= V

AGND

= 0, internal reference, digital output load = 35pF, f

CLK

= 20Msps (50%

duty cycle), for dynamic performance 0dB is full scale, T

= +25°C, unless otherwise noted.)

-140

-100

-120

-60

-80

-20

-40

042681537910

FFT PLOT (f

= 5MHz)

MAX1425-25

FREQUENCY (MHz)

MAGNITUDE (dB)

0.50

0.55

0.65

0.60

0.70

0.75

-40 -15 10 35 60 85

TOTAL SUPPLY CURRENT

vs. TEMPERATURE

MAX1425-27

TEMPERATURE (°C)

SUPPLY CURRENT (mA)

SHUTDOWN CURRENT (mA)

SHUTDOWN

REFIN = AGND

OE/PD = 1

-140

-100

-120

-60

-80

-20

-40

042681537910

FFT PLOT (f

= 10MHz)

MAX1425-26

FREQUENCY (MHz)

MAGNITUDE (dB)

2.08

2.10

2.14

2.12

2.16

2.18

-40 -15 10 35 60 85

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX1425-28

TEMPERATURE (°C)

INTERNAL REFERENCE (V)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

10-Bit, 20Msps ADC 1

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