Rainbow-electronics MAX1126 Manuel d'utilisateur télécharger pdf (Page 3)

MAX1126

Quad, 12-Bit, 40Msps, 1.8V ADC with

Serial LVDS Outputs

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(AV

= 1.8V, OV

= 1.8V, CV

= 1.8V, GND = 0, external V

REFIO

= 1.24V, INTREF = AV

, C

REFIO

to GND = 0.1µF,

CLK

= 40MHz (50% duty cycle), DT = 0, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

= 5.3MHz at -0.5dBFS

93.7

Spurious-Free Dynamic Range

(Note 2)

SFDR

= 19.3MHz at -0.5dBFS, T

≥ +25°C

77.3

dBc

= 5.3MHz at -0.5dBFS

-91.5

Total H ar m oni c D i stor ti on ( N ote 2)

THD

= 19.3MHz at -0.5dBFS, T

≥ +25°C

-88.7 -76.3

dBc

Inter m od ul ati on D i stor ti on IMD

= 12.40125MHz at -6.5dBFS,

= 13.60125MHz at -6.5dBFS ( N ote 2)

87.0

dBc

Third-Order Intermodulation IM3

= 12.40125MHz at -6.5dBFS,

= 13.60125MHz at -6.5dBFS ( N ote 2)

89.3

dBc

Aperture Jitter t

(Note 2)

<0.4

RMS

Aperture Delay t

(Note 2) 1 ns

Small-Signal Bandwidth SSBW Input at -20dBFS (Notes 2 and 4)

100

MHz

Full-Power Bandwidth LSBW Input at -0.5dBFS (Notes 2 and 4)

100

MHz

Output Noise IN_P = IN_N

0.35

LSB

RMS

Overdrive Recovery Time t

= 25Ω, C

= 50pF 1

Clock

cycles

INTERNAL REFERENCE (INTREF = GND, bypass REFIO to GND with 0.1µF)

INTREF Internal Reference Mode

Enable Voltage

(Note 5) 0.1 V

INTREF Low-Leakage Current

200

µA

REFIO Output Voltage V

REFIO

1.18 1.24 1.30

Reference Temperature

Coefficient

REFIO

100

ppm/°C

EXTERNAL REFERENCE (INTREF = AV

)

INTREF External Reference Mode

Enable Voltage

(Note 5)

0.1V

INTREF High-Leakage Current

200

µA

REFIO Input Voltage Range

1.24

REFIO Input Current I

REFIO

<1 µA

CLOCK INPUT (CLK)

Input High Voltage V

CLKH

0.8 x

Input Low Voltage V

CLKL

0.2 x

Clock Duty Cycle 50 %

Clock Duty-Cycle Tolerance

±30

1 2 3 4 5 6 7 8 ... 24 25

Serial LVDS Outputs 1

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Rainbow-electronics MAX1126 Manuel d'utilisateur Page 3

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