Rainbow-electronics MAX1420 Manual do Utilizador descarregar pdf (Página 7)

MAX1420

12-Bit, 60Msps, +3.3V, Low-Power ADC

with Internal Reference

Typical Operating Characteristics (continued)

AVDD

= V

DVDD

= +3.3V, AGND = DGND = 0, V

= ±1.024V, differential input voltage at -0.5dB FS, f

CLK

= 60.006MHz (50% duty

cycle), digital output load C

= 10pF, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.)

-40 10-15 35 60 85

MAX1420 toc13

TEMPERATURE (°C)

SNR (dB)

SIGNAL-TO-NOISE RATIO

vs. TEMPERATURE

= 15MHz

-1

-2

020481024 3072 4096

INTEGRAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

MAX1421 toc17

DIGITAL OUTPUT CODE

INL (LSB)

0.50

0.25

-0.25

-0.50

0 20481024 3072 4096

MAX1420 toc18

DIGITAL OUTPUT CODE

DIFFERENTIAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

INL (LSB)

-1.25

-1.00

-0.50

-0.75

-0.25

-40 10-15 35 60 85

OFFSET ERROR vs. TEMPERATURE

MAX1420 toc20

TEMPERATURE (°C)

OFFSET ERROR (%FSR)

3.1 3.5

MAX1420 toc21

(V)

AVDD

(mA)

ANALOG SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

3.33.2 3.4

-40 10-15 35 60 85

MAX1420 toc16

TEMPERATURE (°C)

SFDR (dB)

SPURIOUS-FREE DYNAMIC RANGE

vs. TEMPERATURE

= 15MHz

-0.500

0.250

-40 10-15 35 60 85

MAX1420 toc19

TEMPERATURE (°C)

GAIN ERROR (%FSR)

GAIN ERROR vs. TEMPERATURE,

EXTERNAL REFERENCE V

REFIN

= +2.048V

-0.250

-0.375

-0.125

0.125

-40 10-15 35 60 85

MAX1420 toc14

TEMPERATURE (°C)

SINAD (dB)

SIGNAL-TO-NOISE + DISTORTION

vs. TEMPERATURE

= 15MHz

-75

-73

-69

-71

-67

-65

-40 10-15 35 60 85

MAX1420 toc15

TEMPERATURE (°C)

THD (dB)

TOTAL HARMONIC DISTORTION

vs. TEMPERATURE

= 15MHz

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