PLL520-17/-18/-19

Low Phase Noise VCXO with multipliers (for 65-130MHz Fund Xtal)

47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 09/20/04 Page 3

2. Crystal Specifications

3. Voltage Control Crystal Oscillator

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

VCXO Stabilization Time *

From power valid

10

ms

VCXO Tuning Range

0V

≤ VCON ≤ 3.3V

200*

ppm

CLK output pullability

VCON=1.65V,

±1.65V

±100*

ppm

On-chip Varicaps control range

VCON = 0 to 3.3V

4 – 18*

pF

Linearity

10*

%

VCXO Tuning Characteristic

65

ppm/V

VCON input impedance

60

k

Ω

VCON modulation BW

0V

≤ VCON ≤ 3.3V, -3dB

25

kHz

Note: Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits.

4. General Electrical Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Supply Current (Loaded

Outputs)

PECL/LVDS/CMOS

100/80/40

mA

Operating Voltage

2.97

3.63

V

Output Clock Duty Cycle

@ 1.4V (CMOS)

@ 1.25V (LVDS)

@ Vdd – 1.3V (PECL)

45

45

45

50

50

50

55

55

55

%

Short Circuit Current

±50

mA

PARAMETERS

SYMBOL

CONDITIONS

MIN.

MAX.

UNITS

CX+

2

Built-in Capacitance

CX-

2

Inter-electrode capacitance

65MHz to 130MHz

(VDD=3.3V)

2

pF

C0/C1 ratio (gamma)

γ

300

-

Oscillation Frequency

OF

Fund.

120

200

MHz