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Electrical characteristics (continued) – Rainbow Electronics MAX1126 User Manual

Page 3

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MAX1126

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

Serial LVDS Outputs

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(AV

DD

= 1.8V, OV

DD

= 1.8V, CV

DD

= 1.8V, GND = 0, external V

REFIO

= 1.24V, INTREF = AV

DD

, C

REFIO

to GND = 0.1µF,

f

CLK

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

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

f

IN

= 5.3MHz at -0.5dBFS

93.7

Spurious-Free Dynamic Range
(Note 2)

SFDR

f

IN

= 19.3MHz at -0.5dBFS, T

A

+25°C

77.3

89

dBc

f

IN

= 5.3MHz at -0.5dBFS

-91.5

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

THD

f

IN

= 19.3MHz at -0.5dBFS, T

A

+25°C

-88.7

-76.3

dBc

Inter m od ul ati on D i stor ti on

IMD

f

1

= 12.40125MHz at -6.5dBFS,

f

2

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

87.0

dBc

Third-Order Intermodulation

IM3

f

1

= 12.40125MHz at -6.5dBFS,

f

2

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

89.3

dBc

Aperture Jitter

t

AJ

(Note 2)

<0.4

ps

RMS

Aperture Delay

t

AD

(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

OR

R

S

= 25

, C

S

= 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

V

Reference Temperature
Coefficient

TC

REFIO

100

ppm/°C

EXTERNAL REFERENCE (

INTREF

= AV

DD

)

INTREF External Reference Mode
Enable Voltage

(Note 5)

AV

DD

-

0.1V

V

INTREF High-Leakage Current

200

µA

REFIO Input Voltage Range

1.24

V

REFIO Input Current

I

REFIO

<1

µA

CLOCK INPUT (CLK)

Input High Voltage

V

CLKH

0.8 x

CV

DD

V

Input Low Voltage

V

CLKL

0.2 x

CV

DD

V

Clock Duty Cycle

50

%

Clock Duty-Cycle Tolerance

±30

%