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Dc electrical characteristics (continued), Ac electrical characteristics – Rainbow Electronics MAX9452 User Manual

Page 3

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MAX9450/MAX9451/MAX9452

High-Precision Clock Generators

with Integrated VCXO

_______________________________________________________________________________________

3

DC ELECTRICAL CHARACTERISTICS (continued)

(V

DDA

= V

DD

= V

DDQ

= 2.4V to 3.6V, and V

DDQ

= 1.4V to 1.6V for MAX9451, T

A

= -40°C to +85°C. Typical values at V

DDA

= V

DD

=

V

DDQ

= 3.3V, and V

DDQ

= 1.5V for MAX9451, T

A

= +25°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SERIAL INTERFACE INPUT, OUTPUT (SCL, SDA,

CS)

Input High Level

V

IH

0.7

x V

DD

V

Input Low Level

V

IL

0.3

x V

DD

V

Input Leakage Current

I

IL

±1

µA

Output Low Level

V

OL

3mA sink current

0.4

V

Input Capacitance

C

I

10

pF

POWER CONSUMPTION

V

DD

and V

DDA

Supply Current

I

CC1

Output clock frequency = 155MHz

55

85

mA

V

DDQ

Supply Current

I

CC2

Output clock frequency = 155MHz
(MAX9450)

55

80

mA

AC ELECTRICAL CHARACTERISTICS

(V

DDA

= V

DD

= V

DDQ

= 2.4V to 3.6V, and V

DDQ

= 1.4V to 1.6V for MAX9451, T

A

= -40°C to +85°C. |V

ID

| = 200mV, V

COM

= |V

ID

/ 2| to

2.4 - |V

ID

/ 2|. Typical values at V

DDA

= V

DD

= V

DDQ

= 3.3V and V

DDQ

= 1.5V for MAX9451, T

A

= +25°C. C

L

= 10pF, clock output =

155.5MHz and clock input = 19.44MHz, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CLK OUTPUTS (CLK0, CLK1)

Reference Input Frequency

f

IN

Measured at IN0 or IN1

0.008

500

MHz

Output Frequency

f

OUT

Measured at CLK0 or CLK1

15

160

MHz

VCXO Pulling Range

C

L

= 8pF (Note 2)

±50

ppm

Output-to-Output Skew

t

SKO

Skew between CLK0 and CLK1

90

ps

Rise Time

t

R

20% to 80% of output swing

0.4

0.585

ns

Fall Time

t

F

80% to 20% of output swing

0.4

0.585

ns

Duty Cycle

44

56

%

Period Jitter (RMS)

T

J

Measured at the band 12kHz to 20MHz

0.8

ps

1kHz offset

-70

dBc/Hz

10kHz offset

-110

dBc/Hz

Phase Noise

100kHz offset

-130

dBc/Hz