Rainbow-electronics MAX1449 Manual do Utilizador descarregar pdf (Página 7)

MAX1449

10-Bit, 105Msps, Single +3.3V, Low-Power

ADC with Internal Reference

_______________________________________________________________________________________ 7

-80

-76

-68

-72

-64

-60

-40 10-15 35 60 85

TOTAL HARMONIC DISTORTION

vs. TEMPERATURE

MAX1449 toc19

TEMPERATURE (°C)

THD (dBc)

= 26.1696MHz

-40 10-15 35 60 85

SIGNAL-TO-NOISE + DISTORTION

vs. TEMPERATURE

MAX1449 toc20

TEMPERATURE (°C)

SINAD (dB)

= 26.1696MHz

-0.4

-0.2

-0.3

0.1

-0.1

0.4

0.3

0.2

0.5

0 400200 600 800 1000 1200

INTEGRAL NONLINEARITY vs.

DIGITAL OUTPUT CODE (BEST STRAIGHT LINE)

MAX1449 toc21

DIGITAL OUTPUT CODE

INL (LSB)

-0.4

-0.2

-0.3

0.1

-0.1

0.4

0.3

0.2

0.5

0400200 600 800 1000 1200

DIFFERENTIAL NONLINEARITY vs.

DIGITAL OUTPUT CODE

MAX1449 toc22

DIGITAL OUTPUT CODE

DNL (LSB)

0.02

0.06

0.04

0.08

0.10

-40 10-15 35 60 85

GAIN ERROR vs. TEMPERATURE,

EXTERNAL REFERENCE, V

REFIN

= +2.048V

MAX1449 toc23

TEMPERATURE (°C)

GAIN ERROR (LSB)

-2

-1

-40 10-15 35 60 85

OFFSET ERROR vs. TEMPERATURE,

EXTERNAL REFERENCE, V

REFIN

= +2.048V

MAX1449 toc24

TEMPERATURE (°C)

OFFSET ERROR (LSB)

-40 10-15 356085

ANALOG SUPPLY CURRENT

vs. TEMPERATURE

MAX1449 toc26

TEMPERATURE (°C)

VDD

(mA)

-40 10-15 35 60 85

DIGITAL SUPPLY CURRENT

vs. TEMPERATURE

MAX1449 toc27

TEMPERATURE (°C)

OVDD

(mA)

2.70 3.00 3.152.85 3.30 3.45 3.60

ANALOG SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

MAX1449 toc25

(V)

VDD

(mA)

Typical Operating Characteristics (continued)

= +3.3V, OV

= +2.0V, internal reference, differential input at -0.5dB FS, f

CLK

= 106.2345MHz, C

≈ 10pF, T

= +25°C,

unless otherwise noted.)

1 2 3 4 5 6 7 8 9 10 11 12 ... 17 18

ADC with Internal Reference 1

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