Preliminary

PLL502-21

384MHz – 768MHz Low Phase Noise PECL VCXO (12 – 24MHz Crystal)

47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991

Rev 08/10/01 Page 3

2. Crystal Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Crystal Resonator

Frequency

Parallel Fundamental

Mode

12

24

MHz

Crystal Loading Rating

TBD

pF

Crystal Pullability

AT cut

250

-

Recommended ESR

AT cut

30

Ω

3. Voltage Control Crystal Oscillator

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

VCXO Stabilization Time *

From power valid

10

ms

Output Frequency Synthesis

Error

(Unless otherwise noted in

Frequency Table)

±30

ppm

VCXO Tuning Range

380

ppm

CLK output pullability

0V

≤ VCON ≤ 3.3V

±190

ppm

Linearity

5

10

%

VCXO Tuning Characteristic

115

ppm/V

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, Dynamic

(with Loaded Outputs)

PECL

80

mA

Operating Voltage

3.13

3.47

V

Output Clock Duty Cycle

@ Vdd – 1.3V (PECL)

45

50

55

%

Short Circuit Current

±50

mA