PLL502-26

High Pull-Range VCXO (27MHz) with integrated Audio PLL

47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 09/17/04 Page 3

2. AC Electrical Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Input Crystal Frequency

27

MHz

Audio Reference Clock

REF_Audio

0.65

-

1.5

MHz

Output Clock Rise/Fall Time

0.3V ~ 3.0V with 15 pF load

2

ns

Output Clock Duty Cycle

45

50

55

%

3. Voltage Control Crystal Oscillator

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

VCXO Stabilization Time *

From power valid

10

ms

VCXO Tuning Range

0V

≤ VIN ≤ 3.3V

500

ppm

CLK output pullability

VCON=1.65V

±1.65V

±250

ppm

VCXO Tuning Characteristic

150

ppm/V

Pull range linearity

10

%

VCON pin input impedance

2000

k

Ω

VCON modulation BW

0V

≤ VIN ≤ 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. Jitter and Phase Noise Specification

PARAMETERS

CONDITIONS

MIN.

TYP.

MAX.

UNITS

RMS Period Jitter

(1 sigma – 10,000 samples)

with capacitive decoupling

between VDD and GND.

3

ps

Phase Noise relative to carrier

27MHz @100Hz offset

-85

dBc/Hz

Phase Noise relative to carrier

27MHz @1kHz offset

-115

dBc/Hz

Phase Noise relative to carrier

27MHz @10kHz offset

-135

dBc/Hz

Phase Noise relative to carrier

27MHz @100kHz offset

-140

dBc/Hz

Phase Noise relative to carrier

27MHz @1MHz offset

-150

dBc/Hz