Preliminary

PLL520-88/-89

Low Phase Noise VCXO (9.5-65MHz)

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

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Crystal Resonator Frequency

Fundamental

19

65

MHz

Crystal Loading Rating

Die

8*

pF

Interelectrode Capacitance

5

pF

Recommended ESR

AT cut

30

Ω

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

limits.

3. Voltage Control Crystal Oscillator (3.3V)

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

100/80

mA

Operating Voltage

2.97

3.63

V

Output Clock Duty Cycle

@ 1.25V (LVDS)

45

45

45

50

50

50

55

55

55

%

Short Circuit Current

±50

mA